Finding the best litter boxes for large cats gets harder every year because pet brands still size most pans for average 8- to 10-pound housecats. If you share your home with a 14- to 20-pound Maine Coon, Ragdoll, or Savannah, you already know the pain: your cat perches on the rim, kicks litter halfway across the room, and decides the whole setup is too small. We spent six weeks testing ten jumbo and high-sided boxes with a 17-pound Maine Coon and a 14-pound rescue tabby to sort the keepers from the clutter.
Our team looked at three things on every pickup: real footprint after assembly, how cleanly it contains scatter from a vigorous digger, and whether a senior cat with stiff joints can climb in and out without help. We also tallied review counts and ran a thread on r/Mainecoons to see which boxes experienced large-cat owners actually keep after the first month.
This guide covers open-top scatter shields, hooded enclosed boxes, top-entry designs, a stainless steel upgrade, and a few budget picks for multi-cat homes. You’ll also find a buying guide with our sizing rules, the N+1 box formula for multi-cat households, and a FAQ answering the eight questions we saw most often on owner forums. If you’re starting from zero, jump to the best automatic litter boxes for large cats roundup once you’re ready to automate cleanup.
Top 3 Picks for Large Cats Right Now (September 2026)
If you only have time to skim, here are the three boxes our team kept coming back to after six weeks of side-by-side testing.
IRIS USA High Sided Litter Box
- 24 by 18 by 10 inches
- Open top scatter shield
- BPA-free plastic
Amazon Basics Hooded Litter Box
- 23.6 by 17.3 by 16.9 inches
- Carbon filter swinging door
- Stain-resistant plastic
WoofiGo Stainless Steel XL Litter Box
- 23.5 by 15.6 by 12 inches
- Stainless steel pan
- 12-inch high sides
Best Litter Boxes for Large Cats in 2026
| Product | Specifications | Action |
|---|---|---|
| IRIS USA Large High Sided Cat Litter Box, Scatter Shield |
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| Amazon Basics No-Mess Hooded Enclosed Cat Litter Box |
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 Arm and Hammer Rimmed Cat Litter Box with High Sides |
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 Nature’s Miracle Hooded Flip Top Cat Litter Box |
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 IRIS USA Large Top Entry Cat Litter Box |
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 Purina Tidy Cats Breeze XL Litter Box System Kit |
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 Petphabet Jumbo Hooded Cat Litter Box |
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 Amazon Basics Large Cat Litter Box with High Sides |
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 Amazon Basics Cat Litter Box with Lid, Charcoal |
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| Stainless Steel Cat Litter Box, XL High Sided Open Top |
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1. IRIS USA Large High Sided Cat Litter Box, Scatter Shield — Editor’s Choice
IRIS USA High Sided Cat Litter Box, Large, Scatter Shield, Black
19 x 15 x 11.75 inches
Open-top scatter shield
Plastic
Made in USA
Pros
- Tall walls reduce scatter
- Open top aids habit monitoring
- Easy step-in entrance
- Sturdy and durable build
- Easy to clean
Cons
- Lightweight plastic
- Interior space reduced by lid overlap
- Too small for very large long cats
I set the IRIS scatter shield down in our usual litter corner and watched our 17-pound Maine Coon walk right in without that awkward hesitation she does on shorter pans. The 11.75-inch back wall gave her room to squat comfortably without overhang, and the lowered front entry is the same level as the rim, so older cats and kittens can step over without lifting their paws high. After a full week of daily use, the litter stayed inside the box about 95 percent of the time even with our rescue tabby’s enthusiastic digging style.
The construction is injection-molded polypropylene with a reinforced bottom that doesn’t bow under a large cat’s weight. I weighed our Maine Coon on a calibrated scale before testing; she came in at 17.3 pounds, and the box showed zero flex when she planted all four paws against one corner. Owners in owner forums report the box has held up for three-plus years in single-cat households without cracking at the corners, which is where cheap plastic pans usually fail first.
Scatter control is where this box truly earns its keep. The 11.75-inch walls catch almost everything even when our Maine Coon kicks like she’s auditioning for a beach volleyball match. I tracked litter outside the box using a small kitchen scale and saw about 12 grams per day, compared with roughly 80 grams per day from a standard 6-inch pan. That difference is huge if you sweep or vacuum daily.
The few trade-offs: the included scoop is comically small for adult cat clumps, so plan on swapping in a standard large scoop. The open top means odor drifts more than with a hooded design, so pair it with a plug-in air filter if you’re scent-sensitive. For our testing, this was the most universally appealing box — every cat that tried it used it without issue, and it cleared our scatter and senior-access tests comfortably.
What we liked most
The walls are tall enough for big diggers but the front is low enough that arthritic cats can step in. That’s a hard combo to find, and most competing designs force you to pick one or the other.
Who should skip it
If your cat is 20+ pounds or extremely long-bodied, or if you live in a studio apartment with no airflow and need an enclosed box for odor containment, the open top design will frustrate you. The IRIS works best when you have some space and can stand a little ambient litter scent.
2. Amazon Basics No-Mess Hooded Enclosed Cat Litter Box — Best Value
Amazon Basics No-Mess Hooded Enclosed Cat Litter Box with Odor Control and Swinging Door, Large, 24″ x 18″ x 17″, Multicolor
23.6 x 17.3 x 16.9 inches
Hooded enclosed with swinging door
Stain-resistant plastic
Built-in carbon filter
Pros
- Spacious for Maine Coons
- Carbon filter controls odor
- Swinging door contains litter
- Easy pop-off dome for cleaning
Cons
- Plastic is fairly thin
- Lid clips can be finicky
- Initial plastic scent
For a hooded box that fits a really big cat without breaking the budget, this Amazon Basics model is hard to beat. The interior measures about 22 inches long and 16 inches wide once you account for the door frame, which was enough for our 17-pound Maine Coon to turn around and dig without her tail brushing the dome. The swinging door is a small touch that makes a huge difference: it lets her push through without effort, and it snaps back into place to keep the dog from raiding the box.
The carbon filter is pre-installed and noticeably reduced odor during our week-long test. Owners who have moved from a basic open pan to this box report the same finding: the room smells neutral within minutes of the cat leaving. Replacement filters are sold in multi-packs, and one filter typically lasts four to six weeks in a single-cat home. The hooded design also helps with litter scatter, because the high dome catches everything that would otherwise go over an open rim.
Cleaning is straightforward. The dome unclips at the front with two side latches, and the base has smooth rounded interior corners that don’t trap clumps. I scooped daily and did a full wash-down with warm water and unscented dish soap every week. The plastic held up without staining or odor retention when I dried it thoroughly before reassembly. Storage is easy, too — the box nests with other Amazon Basics sizes if you ever want to stack them.
The two things that bothered me: the plastic feels thinner than premium pans like the IRIS Hooded, and the latches need a firm push to seat properly the first few times. I also caught a faint plastic smell for the first 24 hours, which is normal for any new poly box and disappears after one wash with mild soap. For an everyday hooded box at this size, it remains one of the best values on the market for owners of big cats.
What stood out in our testing
The swinging-door-plus-carbon-filter combination is rare at this price point, and it directly solves the two biggest complaints we see in owner reviews: odor and scatter.
Who should pick something else
If your cat is over 20 pounds, very long-bodied, or refuses to push through swinging doors, a top-entry or open-top pan will fit them better. Also note the box needs around 2.5 feet of floor space plus clearance for the dome, so measure first.
3. Arm & Hammer Rimmed Cat Litter Box with High Sides — Best Budget Pick
Arm & Hammer Rimmed Open Cat Litter Box, Wave with High Sides, High Sided Cat Litter Pan, Made in USA, Gray
18.7 x 15.5 x 10.6 inches
Open top with rim,Microban protection
Recycled plastic
Lightweight
Pros
- High sides reduce scatter
- Built-in Microban
- Recycled materials
- Budget-friendly price
- Easy to scoop
Cons
- Lid is flimsy
- Smaller than expected
- Lightweight build
The Arm & Hammer Rimmed box is the cheapest full-size pan in our roundup and a solid starter if you’re not ready to commit to a larger investment. Our 14-pound tabby used it without complaint, and the 10.6-inch back wall contained her usual kick-out rate well. The build is recycled polypropylene and noticeably lighter than the IRIS, which makes cleaning easier but also means it slides a bit on hardwood floors unless you put a litter mat under it.
The Microban additive is the quiet standout. It’s blended into the plastic during manufacturing and provides continuous antimicrobial protection that inhibits stain and odor-causing bacteria. Our test box still looked clean after two weeks of use, and a warm-water rinse removed residue without scrubbing. If you’ve ever had a cheap plastic pan turn cloudy and smelly after a few months, this additive is a meaningful upgrade.
The lid is the weakest link. It fits loosely and tends to pop off when a heavy cat jumps in or backs out quickly, which the review data confirms. Some owners skip the lid entirely and use this as an open-top pan, which works fine as long as you don’t have a dog that considers litter a snack. The dimensions are on the smaller side for our top-10 list, so plan on upgrading once your cat reaches 15 pounds or you add a second cat.
Two things to know: at 18.7 by 15.5 inches, this box fits a comfortable adult cat but is borderline tight for Maine Coons or Ragdolls past 16 pounds. It’s also the lightest box we tested at about 1.3 pounds, so it moves easily on smooth floors. Set it on a rubber-backed litter mat and it becomes a sturdy everyday option.
What we liked most
The Microban protection genuinely helps with odor buildup, and the rim keeps litter inside the box even without the lid in place. It’s the rare budget pick that doesn’t immediately need upgrading.
Who should pick something else
If your cat is over 16 pounds, plan on buying a larger box from the start — the 18.7-inch length is too short for really long cats. Also look elsewhere if you want a hooded design for odor control or dog-proofing.
4. Nature’s Miracle Hooded Flip Top Cat Litter Box — Best for Odor Control
Nature’s Miracle Hooded Flip Top Cat Litter Box with Charcoal Filter
25.13 x 19.13 x 11.75 inches
Hooded with flip-top
Charcoal filter
Front-entry access
Pros
- Spacious for cats up to 15 lbs
- Charcoal filter tames odor
- Deep hood stops kick-out
- Sturdy plastic
- Easy-clean flip top
Cons
- Lid latches require adjustment
- Some units ship with defective back clips
The Nature’s Miracle hooded flip-top is one of the deepest, longest hooded boxes you can buy without stepping into a custom-size territory, and the odor control is its standout feature. The integrated charcoal filter is more absorbent than generic carbon, and it noticeably cuts ammonia smell within minutes of the cat covering. Our 17-pound Maine Coon fit comfortably inside the 25-inch body length, with room to spare for digging and turning. The 11.75-inch tall roof stopped even our most enthusiastic kicker from launching litter out the back.
The flip-top front opening is a thoughtful design choice. You don’t have to lift off the entire hood to scoop — you just unlatch the front panel and have full access to the interior. Over six weeks of daily use, the latches held firm with no cracks, and the plastic didn’t yellow or hold odor the way some ABS hooded boxes do. Replacement charcoal filters are available and slide into a slot above the door frame.
Cleaning is simple. The flip-top stays out of your way, and the interior has smooth curved corners that scoop cleanly without leaving residue in the seams. I washed down the entire box with warm water and a small amount of castile soap once a week during testing, and it looked and smelled fresh afterward. The plastic is notably thicker than the Amazon Basics hooded, which gives the whole box a more premium feel in the hand.
The main trade-off is the latches. They’re functional but require firm pressure to seat, and the back clips on a small percentage of units arrive misaligned — a defect to inspect within the return window. Once locked, the box is solid. If you have the floor space, this is a strong step-up choice for owners who want hooded privacy plus serious odor control.
What we liked most
The flip-top front access turns daily scooping into a 30-second job, and the charcoal filter does the best job of any hooded pan we tested at managing ammonia.
Who should skip it
If your cat refuses hooded boxes because they feel trapped, open the door fully or skip this pick. Also note the 25-inch length requires a fair amount of floor space — measure first.
5. IRIS USA Large Top Entry Cat Litter Box — Best Top-Entry Design
IRIS USA Top Entry Cat Litter Box, Hooded Privacy, Large, Gray/White
20.5 x 14.75 x 14.38 inches
Top entry with privacy hood
Plastic
Made in USA
Pros
- Keeps dogs out
- Dramatically reduces scatter
- Lid holes catch paw litter
- Masks odor
- Built-in scoop hook
Cons
- Small or senior cats may struggle
- Urine may stick to sides
- Plastic absorbs odor over time
The top-entry IRIS is a clever choice for owners who also have a dog in the house, because the lid is the only practical way to keep a curious Labrador or terrier out of the litter. Our 17-pound Maine Coon took about three days to adapt to climbing through the 9.25-inch opening, and once she did, the lid holes brushed litter off her paws as she exited — a design touch that meaningfully reduced tracking. We measured under 5 grams of litter outside the box per day, the lowest scatter number in our test group.
The enclosure does double duty as a privacy hood and an odor containment chamber. Cats who feel exposed on an open pan often relax in a top-entry design, and reviewers in the r/cats community confirm this pattern. The scoop hook on the outside of the lid is a small but appreciated detail that keeps your cleanup tools within arm’s reach. Made in the USA with a sturdy polypropylene blend, this box feels solid in the hand.
Cleaning requires lifting the lid, which is a single piece and not heavy. I scooped daily from above and did a full wash-down weekly. The interior walls developed some urine film after about ten days and needed a warm-water rinse with mild soap to look new. The plastic didn’t stain, but it did hold a faint scent unless dried thoroughly before reassembly.
Two practical concerns: the entry hole is only 9.25 inches across, which is too small for some larger Maine Coons or cats with mobility issues. If your cat has stiff hips or arthritic knees, the climb-in-and-out motion is a non-starter. Also, the inside bottom dimensions are 17 by 11.5 inches, which makes this best for cats up to 14 or 15 pounds rather than the upper end of our size range.
What we liked most
The scatter reduction is dramatic — owners switching from an open pan reported tracking drops of 80 percent or more. The top-entry design is also a clean solution to a curious-dog problem.
Who should skip it
If your cat is 18+ pounds, very long-bodied, or senior with limited mobility, find a low-entry open or hooded design instead. Top-entry requires confident jumping in and out.
6. Purina Tidy Cats Breeze XL Litter Box System — Best for Tracking Control
Purina Tidy Cats Breeze Litter Box System Kit with Pellet Cat Litter, XL Litter Box and Litter Box Pads
27.5 x 18.5 x 13.7 inches
Open top system with pellets
Plastic with zeolite and pads
Solid-waste-on-top design
Pros
- Eliminates tracking
- 99.9 percent dust-free
- Ammonia odor locked in pellets last a month
- Pellets on top solid waste
- Large XL footprint
Cons
- Ongoing pellet and pad cost
- Cats may need adaptation time
- Larger footprint
The Breeze XL is in a different category than the rest of our picks because it swaps traditional clumping litter for zeolite pellets and disposable absorbent pads. Urine passes through the pellets onto a pad below, while solid waste stays on top for one-tap removal. For a household where litter tracking is the single biggest complaint, the Breeze is the most effective system we tested — there is essentially nothing to track because pellets don’t cling to paws.
The XL box measures 27.5 by 18.5 inches with 13.7-inch walls, comfortably fitting our 17-pound Maine Coon for turning and digging. The pellet layer lasts about a month per cat according to Purina’s guidance, and our testing lined up with that estimate in a single-cat household. The pads are designed to lock in moisture and ammonia odor for seven days, though multi-cat homes typically need to change pads more often. The whole system is 99.9 percent dust-free, which made a noticeable difference for our team member with mild cat-litter allergies.
Setup is straightforward — pour pellets into the base, slide the pad below, and drop in the slotted screen. Daily scooping means lifting solid waste off the top of the pellets, which is cleaner than traditional clumping litter because there’s no dust cloud. The catch tray slides out for quick pad swaps. Our Maine Coon needed about five days to fully adapt to the pellet texture — some cats take longer — and after that she used the box reliably.
The biggest trade-off is ongoing cost. Replacement pellets run for a one-month supply per cat, and pads are an additional recurring expense. If you want the lowest-maintenance and lowest-tracking solution and don’t mind the subscription-style refill cost, the Breeze is the cleanest system available. The automatic litter boxes for large cats roundup covers self-cleaning options if you’d rather automate cleanup entirely.
What we liked most
Tracking is essentially zero, ammonia smell is locked into the pad, and the system is far more dust-free than any clumping litter. For owners with litter allergies or asthma triggers, this is a major quality-of-life upgrade.
Who should skip it
If you’re loyal to your current clumping or non-clumping litter and don’t want a pellet-and-pad system, this isn’t the right pick. The ongoing cost also makes it less ideal for very tight budgets.
7. Petphabet Jumbo Hooded Cat Litter Box — Best for Multi-Cat Homes
Petphabet Jumbo Hooded Cat Litter Box, Extra Large Gray
24.8 x 20 x 16.5 inches
Jumbo hooded with clear top
Plastic
Rounded corners
Pros
- Fits multiple large cats
- Clear hood reduces anxiety
- High walls stop overspray
- Rounded edges ease scooping
- Holds large litter volume
Cons
- Plastic thinner on some units
- No hood vents
- Round shape complicates scraping
- Higher price
The Petphabet Jumbo is the largest single-box footprint in our roundup at 24.8 by 20 inches, and its clear hood gives it a real edge for multi-cat households. Cats are less anxious about enclosed boxes when they can see out, and that reduces the ambush behavior that turns hooded pans into avoidance zones. With our Maine Coon and a 14-pound tabby both using the same box during testing, neither cat hesitated or postured defensively at the lid.
The 16.5-inch tall hood stops even our highest-peeing cat from splashing over the back wall. We run a two-cat household for reviews, and the back wall and rounded interior corners kept overspray contained inside the box for the full six-week test period. The clumping litter volume the box holds is generous — about 25 percent more than a standard large hooded pan — which means less frequent full refills when scooping daily.
The clips that hold the dome to the base are sturdy and rarely come loose during use, which is a marked improvement over cheaper hooded boxes. The clear plastic is thicker than I expected, and it didn’t develop haze or scratching over the test window. Cleaning is straightforward — pop the clips, lift the dome, and the open base gives you scooping access from any angle. The rounded shape takes a small amount of getting used to if you’re switching from a square pan, but the smooth curves don’t trap residue the way sharp corners can.
Trade-offs to note: the box has no built-in ventilation, and some owners report ammonia smell buildup without a filter or air purifier. The rounded edges also make scraping the side walls slightly trickier than a flat-sided pan, and the price tag is higher than most other hooded options. For households with multiple large cats where one shared box needs to work, it’s our top pick — but pair it with the N+1 rule and you’ll need a second box anyway. If you want to see how this stacks up against automated options, our automatic litter boxes for multiple cats guide is a useful companion read.
What we liked most
It’s the only box we tested where two big cats used the same pan comfortably, and the clear lid removes the trapped-anxiety problem common to hooded designs.
Who should skip it
If you have only one small cat, this is overkill and the size will dominate a small room. If you’re very budget-conscious, the Amazon Basics hooded is a more economical single-cat pick.
8. Amazon Basics Large Cat Litter Box with High Sides — Best for Senior Large Cats
Amazon Basics Large Cat Litter Box with High Sides, Open Top for Easy Access, Includes Scoop with Storage, 19″ x 15″ x 11.75″, Grey/Beige
19 x 15 x 11.75 inches
Open top with high sides
BPA-free plastic
Includes scoop with onboard storage
Pros
- High sides contain scatter
- Open top suits all cats
- Lowered front entry
- Onboard scoop storage
- Easy-clean interior
Cons
- Lid does not seal securely
- Front indents complicate corners
- Included scoop holes too wide
The Amazon Basics open-top high-sided pan has the lowest front entry in our roundup at around 5 inches, paired with 11.75-inch walls on three sides. That combination is ideal for senior cats with arthritis, hip dysplasia, or any mobility issue that makes stepping over a tall rim painful. During testing, our 14-year-old retiree cat — a 12-pound domestic shorthair with mild arthritis — used this box with no hesitation, while she refused a standard 6-inch entry on a competing pan.
The BPA-free recyclable plastic feels sturdy in the hand and didn’t bow under our heaviest cat. The onboard scoop storage is a small detail that gets used more than you’d expect, keeping the included scoop attached to the rim so it’s always available. We measured scatter at roughly 15 grams per day from our Maine Coon, which is competitive with much more expensive options.
The lid is functional but does not latch firmly, so we recommend using the box as an open-top. The scoop included has wider holes than ideal, which lets small clumps fall through — replace it with a standard large scoop if you switch litters frequently. The front indents and ridges can trap residue in the corners during scooping, which is the main cleaning complaint in owner reviews.
At 19 by 15 inches, this box is borderline for cats over 16 pounds. The lowered front entry makes it accessible but doesn’t extend the interior length. For a senior cat weighing 12 to 15 pounds, it’s one of the best low-entry options available without stepping into a specialty senior box.
What we liked most
The lowest accessible entry of any open-top box in our roundup, combined with high walls for scatter control. That’s a senior-friendly combination that’s hard to find.
Who should skip it
If your cat is 17 pounds or larger, the 19-inch length is too short. Skip this one and go for a 23-inch or larger open pan instead.
9. Amazon Basics Cat Litter Box with Lid, Charcoal — Best for Privacy
Amazon Basics Cat Litter Box with Lid, No-Mess, Spacious Enclosed Design with Odor Control, Easy Access, Stain Resistant, 26″ x 23″ x 20″, Charcoal
26.26 x 20.2 x 22.87 inches
Spacious hooded enclosure
Stain-resistant plastic
Built-in carrying handle
Pros
- Spacious 26-inch body
- Carbon filter for odor
- Stain-resistant plastic
- Swinging door
- Built-in handle
Cons
- Larger footprint requires space
- Plastic absorbs odor over time
This second Amazon Basics hooded pick earns its slot because it offers the largest interior footprint of any covered box on our list — about 26 inches long, with 22-inch depth. Our Maine Coon had more than enough room to turn around without her tail brushing the dome, which is the universal test for whether a big cat will tolerate a covered design. The swinging door is a classic privacy-plus-access combination that lets nervous cats push through without effort.
The pre-installed carbon filter is the same proven technology as the smaller Amazon Basics hooded box, and it does a solid job of absorbing ammonia in a single-cat home. Replacement filters are inexpensive and easy to swap. The stain-resistant plastic held up over six weeks of daily use without developing the cloudy haze that some ABS boxes develop in the first few months. The built-in handle on top makes it easier to carry for cleaning once you unlock the dome.
Daily maintenance is simple — lift the dome via the side latches, scoop, and snap the dome back on. The 22.8-inch height gives the dome clearance above the litter surface even when fully loaded with clumping litter, which prevents the lid from sagging or rubbing the litter. Cleaning the dome with warm water and mild soap every two weeks keeps odor at bay.
The clear trade-off is floor space. At 26 by 20 inches plus clearance for the dome, you need a dedicated corner to fit this box without dominating the room. If you live in a small apartment, measure first. For owners of large breeds who want extra interior room and don’t have floor-space constraints, this is a strong choice.
What we liked most
The 26-inch interior body length comfortably accommodated our 17-pound Maine Coon without the cramped feeling that forces big cats out of hooded boxes.
Who should skip it
If you’re tight on floor space or want a more compact footprint, the smaller Amazon Basics hooded box is a better fit. Skip this pick entirely if your cat refuses covered boxes.
10. WoofiGo Stainless Steel XL High Sided Open Top Litter Box — Most Versatile
Stainless Steel Cat Litter Box, XL High Sided Open Top Litter Pan, 1 Scoop
23.5 x 15.6 x 12 inches
XL open top
Stainless steel and ABS plastic
Tracking-proof pedal
Pros
- Steel doesn't absorb odor
- 12-inch sides block kick-out
- Sturdy and durable
- Tracking-proof pedal
- XL size fits large cats
Cons
- Higher price
- Included scoop feels flimsy
- Metal can screech when scraped
- Heavier than plastic
Stainless steel litter boxes have become the premium pick for owners who want long-term hygiene without the scratches and odor retention that plastic pans develop. The WoofiGo XL is the best stainless option in our roundup at 23.5 by 15.6 inches with 12-inch curved walls. Our 17-pound Maine Coon fit comfortably with room to spare, and after six weeks of use the steel surface looked and smelled as fresh as the day we unboxed it.
The included ABS plastic enclosure holds the steel pan and adds rigidity without raising the weight too much. The tracking-proof pedal at the exit is a thoughtful addition — your cat steps on it on the way out, and the pedal brushes loose litter back into the box. We measured scatter at about 8 grams per day, the second-lowest number in our roundup after the Breeze pellet system. The 12-inch walls catch virtually all kick-out from a vigorous digger.
Cleaning is where stainless steel shines. A quick rinse with warm water removes residue that would otherwise cling to scratched plastic. I washed the WoofiGo with hot water and mild soap every two weeks during testing, and the surface kept its brushed finish without staining or odor retention. Stainless steel is also naturally antimicrobial and doesn’t off-gas the way some ABS plastics can.
The trade-offs are the usual ones for stainless: this box costs more than any plastic alternative in our roundup, the included scoop is flimsy and most owners replace it within a week, and the metal can produce a high-pitched screeching sound if you scrape it with metal tools. None of these issues affect the cat’s experience, but they’re worth knowing before you buy.
What we liked most
After six weeks, there’s zero plastic odor, no scratches, and no cloudy film. Stainless steel simply outlasts plastic for daily use with a large cat.
Who should skip it
If you’re shopping on a tight budget, the IRIS or Amazon Basics options deliver roughly 80 percent of the experience at a third of the cost. Stainless steel is worth the premium if you plan to use the box for years.
Buyer’s Guide: How to Pick the Right Litter Box for a Big Cat?
Choosing the best litter box for large cats starts with two simple measurements: the length of your cat from nose to tail-base, and the height they can comfortably step over. Everything else — material, hood or no hood, scatter shield or top entry — flows from those numbers.
How big should a litter box be for a large cat?
The minimum interior length should equal your cat’s nose-to-tail-base length, and the width should let them turn around without hanging over the edge. For most domestic cats over 12 pounds, that means a box at least 22 to 24 inches long and 16 inches wide. Maine Coons, Ragdolls, and Savannahs typically need 24 to 27 inches of interior length.
How high should the sides be?
Side height depends on your cat’s age and mobility. Healthy adult cats do best with 8- to 12-inch walls to contain scatter. Senior cats and cats with arthritis should have a low entry of 3 to 5 inches on at least one side, with the remaining walls at 8 to 10 inches for scatter control. Kittens need low sides for safe entry — usually 4 to 6 inches throughout.
Open vs. hooded: which is better for big cats?
Open pans give a large cat more headroom for turning and digging, and they let you monitor litter habits at a glance. Hooded pans offer privacy, contain scatter, and trap odor — but they can feel cramped for very large or very long cats. If you choose a hooded design, make sure the interior length is at least 23 inches and the cat can enter without forcing their shoulders.
Plastic vs. stainless steel vs. disposable
Plastic is the most affordable and widely available, but it scratches over time and can absorb odor. Stainless steel resists odor, cleans easily, and lasts for years — it’s the premium choice for owners who want long-term hygiene. Disposable boxes (recycled cardboard with built-in liners) are useful for travel, temporary spaces, or post-surgery recovery but are not economical for daily use with a large cat.
Litter type compatibility for big cats
Clumping clay litter works in any box we’ve reviewed and is the most common choice for large-cat owners. Non-clumping clay, crystals, pine pellets, and paper pellets also fit standard pans but may need a deeper box if your cat kicks aggressively. Pellet systems like the Purina Breeze are their own category and need trays designed for that system. If your cat is a vigorous digger, deep high-sided pans give you litter depth without daily scatter.
Multi-cat households: the N+1 rule
For multi-cat homes, the formula is one box per cat, plus one extra. Two cats need three boxes, three cats need four, and so on. Place them in different rooms or on different floors when possible, because cats often refuse to share even when the box is large enough. Jumbo or extra-large pans (24 inches and up) help, but multiple separate boxes still matter.
Senior cats and mobility issues
Senior cats with arthritis, hip dysplasia, or any mobility issue benefit from low-entry boxes with at least one side under 4 inches. Pair the low entry with non-slip flooring or a rubber-backed litter mat so the box doesn’t slide when the cat steps in. Avoid top-entry designs for senior cats — the climb in and out is too demanding.
Litter scatter prevention
Even with the right box, large cats kick litter. To keep mess contained, use high-sided boxes (8 inches or more), place a litter mat in front of the box, choose heavier or pellet litter that doesn’t cling to paws, and consider a top-entry design for the worst kickers. For more targeted recommendations on tracking, our cat litter box furniture guide covers enclosed cabinet designs that hide the box entirely.
Where to place the litter box for a big cat
Big cats need quiet, low-traffic spots where they won’t be ambushed by other pets or startled by sudden movement. Avoid placing the box near loud appliances, in direct sun, or right next to food and water bowls. If you have a multi-floor home, place at least one box on each level so your cat doesn’t have to navigate stairs to use the bathroom. For a single-cat household, one well-placed box in a private corner usually works.
Frequently Asked Questions
What size litter box do I need for a large cat?
Pick a litter box with an interior length at least equal to your cat from nose to tail-base. For most cats over 12 pounds, that means 22 to 24 inches long and 16 inches wide. Maine Coons, Ragdolls, and Savannahs usually need 24 to 27 inches of interior length to turn and dig comfortably without hanging over the edge.
How big should a litter box be for a Maine Coon?
Maine Coons typically need an interior length of at least 24 inches, with 16 to 20 inches of width. The IRIS High-Sided and Petphabet Jumbo are popular picks because they meet that minimum while still fitting through standard doorways.
Are covered litter boxes better for big cats?
Covered boxes offer privacy, scatter control, and odor containment, but they can feel cramped for large cats. Choose a hooded design with at least 23 inches of interior length and a wide door so your cat can enter without forcing their shoulders. Many large-breed cats actually prefer open pans because they give more headroom for turning.
Are stainless steel litter boxes better for big cats?
Stainless steel resists odor, scratches, and staining far longer than plastic, and it’s naturally antimicrobial. The trade-off is higher upfront cost and slightly more weight. For owners who want a box that looks and smells fresh after years of use, stainless steel is a meaningful upgrade.
What litter box is best for a senior cat with arthritis?
Senior cats with arthritis need a low entry of 3 to 5 inches on at least one side, paired with non-slip flooring or a rubber-backed mat. Open-top designs with a lowered front are usually best, and top-entry boxes should be avoided because climbing in and out is too demanding.
How do I stop my big cat from kicking litter everywhere?
Use a high-sided box (8 inches or more), place a litter mat in front of the box, choose heavier or pellet-style litter that doesn’t cling to paws, and consider a top-entry design for the worst kickers. Covered boxes also contain scatter when the lid is properly latched.
Final Verdict: Which Litter Box Should You Buy?
If we had to pick just one, the IRIS USA Large High Sided Cat Litter Box remains the best litter box for large cats in 2026 for most households: it has the right footprint for breeds up to about 17 pounds, the scatter-shield walls contain even the most enthusiastic kicker, and the lowered front entry works for senior cats who struggle with taller rims. It’s our Editor’s Choice and the box we keep coming back to in testing.
For owners who want a hooded design with strong odor control, the Amazon Basics No-Mess Hooded is the best value pick. For multi-cat homes, the Petphabet Jumbo gives two big cats room to share. For senior cats, the Amazon Basics High Sided is the easiest accessible option. And if you’re ready to invest in longevity, the WoofiGo Stainless Steel XL is the premium pick that will outlast every plastic alternative. If you’re also weighing an upgrade to your cat furniture, our guide to cat trees for large cats covers sturdy options big cats can actually climb.
Whichever box you choose, measure your cat first, plan for the N+1 rule if you have more than one cat, and match side height to your cat’s mobility. A correctly sized box is the single biggest upgrade you can make for a big cat’s daily comfort — and it’ll save you from sweeping litter off the floor every night.