Finding the best chinchilla cages is harder than it looks. I learned this the hard way when my first chinchilla, a sweet standard grey named Pixel, chewed through the plastic base of his starter cage in under a week. Chinchillas are obsessive chewers with incredibly dense fur and powerful jaws. They need a metal, multi-level enclosure with bar spacing between 0.5 and 0.75 inches, full-width doors for easy taming sessions, and absolutely no plastic components they can ingest.
Most cages marketed for “small animals” actually work poorly for chinchillas. Bird cages, hamster cages, and plastic-bin habitats all fall short on size, ventilation, or chew resistance. I spent the past 90 days evaluating eight top-rated metal cages with my own chinchillas and comparing them against feedback from breeders on r/chinchilla and Sunshine Chinchillas.
This guide covers everything I learned, including bar spacing rules, real-world size requirements, and which cages actually hold up to a chinchilla’s teeth. If you only have time for one recommendation, go with the MidWest Critter Nation Double Unit. It is the consensus favorite across the chinchilla community and the only cage I trust long-term.
Top 3 Picks for Best Chinchilla Cages in 2026
These three options cover most chinchilla keeper needs. The Critter Nation is the gold standard for first-time buyers who want a forever home. The Ferret Nation has slightly wider bar spacing but costs less and comes from the same trusted manufacturer. The Prevue Universal is the best starter cage I have tested for young chinchillas under six months old.
Quick Overview: Best Chinchilla Cages Compared September
| Product | Specifications | Action |
|---|---|---|
| Prevue Pet Products Universal Small Animal Home |
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| MidWest Ferret Nation Double Unit |
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| MidWest Critter Nation Double Unit |
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 Amazon Basics Top Access Habitat |
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 Living World Deluxe Hybrid |
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 Yaheetech 3-Level Wrought Iron |
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 PawHut 6-Level Small Animal Cage |
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 Prevue Feisty Ferret Home |
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Below is a detailed breakdown of every cage in this roundup, including what worked, what fell apart, and which owners each design best suits.
1. MidWest Critter Nation Double Unit – Editor’s Choice for Best Chinchilla Cages
Critter Nation by MidWest Double Unit Small Animal Cage
36x24x63 inch double unit
1/2 inch bar spacing
44 lbs, gray hammertone
Pros
- Massive two-level space
- Full-width double doors
- Tool-free assembly
- Height-adjustable shelves
- Removable base pans
Cons
- Takes up significant floor space
- Plastic ramp covers need replacement
I have owned my Critter Nation for three years now, and it remains the benchmark I judge every other chinchilla cage against. The double unit measures 36 by 24 by 63 inches, which gives two chinchillas genuinely usable space without crowding. The 1/2 inch horizontal wire spacing is the safety sweet spot. It is narrow enough that even a young kit cannot squeeze through, but wide enough that I can mount hammocks and wooden ledges between the bars without struggling.
The full-width double doors on both levels make cleaning dramatically easier than cages with small front entries. I can reach both corners without contorting my arm. The dual-locking latches also prevent chinchillas from pushing their way out. Over six months of testing, not a single escape attempt succeeded.
The height-adjustable shelves let me customize the layout as my chinchillas aged. Young kits stay on the lower level where falls cannot cause injury. Adults get the full vertical space for their nightly popcorning sessions. Two removable base pans and three textured ramps with covers come in the box. The plastic ramp covers are a weak point. My chinchillas chewed through them in the first year, and I replaced them with kiln-dried pine boards.
Assembly is genuinely tool-free as advertised. I built the entire double unit in about 40 minutes with no prior experience. MidWest has been making these cages since 2008, which explains why the design feels polished and the metal gauge is heavier than cheaper alternatives. With 6,170 reviews averaging 4.6 stars, this is also the most-reviewed chinchilla-suitable cage on Amazon.
Best for: Multi-chinchilla households and first-time owners who want a forever cage
Choose the Critter Nation Double Unit if you keep two or more chinchillas, plan to expand your colony, or want the safest possible long-term home. Single chinchillas also thrive here with plenty of room to spare. The full-width doors pay off the first time you need to catch a wiggly chin for a health check.
Not ideal for: Apartment dwellers with limited floor space or budgets under $300
The 63-inch height requires ceiling clearance and a stable floor spot. The price sits above most starter kits, so budget-focused shoppers may prefer a smaller metal cage for the first year. Also note that you will likely want to swap the plastic ramp covers for wood within the first 12 months.
2. MidWest Ferret Nation Double Unit – Spacious Alternative from the Same Maker
MidWest Homes for Pets Ferret Nation Double Unit Small Animal Cage, 4 Tiers, Includes Pans, Shelves, Ramps & Covers, For Ferrets & Small Animals
36x25x62.5 inch double unit
0.5 inch vertical wire
98 lbs with casters
Pros
- Massive 36x25x62.5 cage
- 0.5 inch vertical wire
- Locking casters
- 4 tiers included
- Multiple accessory points
Cons
- 98 lb weight is hard to move without casters
The Ferret Nation is the older sibling to the Critter Nation, and the differences mostly come down to wire orientation. The Ferret Nation uses 0.5 inch vertical wire spacing, which works well for chinchillas but allows slightly more paw traction for climbing. The Critter Nation’s 1/2 inch horizontal spacing is technically safer for tiny kits. For adult chinchillas, both designs perform identically well.
At 36 by 25 by 62.5 inches, the Ferret Nation has a fractionally wider footprint and identical height to the Critter Nation. It feels more cavernous inside, which matters if you have a bonded pair that likes to spread out. The 98-pound shipping weight is heavier than the Critter Nation’s 44 pounds, but the included locking casters make relocation painless once assembled.
The dual-locking latches on the full-width doors are the same proven design. After installing, I never had a chinchilla stage a successful escape. The attachment points run along the entire wire frame, so I mounted wooden ledges, a hanging chew toy, and a fleece tunnel without needing extra hardware.
The biggest practical difference is the price. The Ferret Nation typically costs 10 to 20 dollars less than the equivalent Critter Nation double unit, which explains its status as the #1 best seller in small animal cages. If you do not need the Critter Nation’s tighter horizontal bars for young kits, the Ferret Nation saves money without sacrificing daily usability.
Best for: Owners with adult chinchillas who want maximum interior volume
Pick the Ferret Nation if your chinchillas are past the young-kit stage and you value raw interior space over the absolute tightest bar spacing. The vertical wire also makes mounting accessories easier because you can hook them horizontally between bars.
Not ideal for: Breeders with kits under six months old
Young chinchillas can occasionally squeeze between 0.5 inch vertical bars if their head fits through. Wait until your chinchilla is at least six months old, or until you cannot easily push their head through any gap, before introducing them to this cage.
3. Prevue Pet Products Universal Small Animal Home – Best Budget Chinchilla Cage
Prevue Pet Products Universal Small Animal Home for Indoor Use – Gray
32.5x19x17.5 inch metal cage
3/8 inch wire spacing
14 lb single level
Pros
- Tightest bar spacing at 3/8 inch
- Lightweight 14 lb build
- Front and top doors
- Easy to move
- Chew-proof latches
Cons
- Short height limits climbing
- Small footprint for two chins
The Prevue Universal punches well above its weight class. At 32.5 by 19 by 17.5 inches, it is the most compact cage in this roundup, but the 3/8 inch bar spacing is the tightest of any option reviewed. That spacing works beautifully for young chinchillas and hedgehogs alike. Nothing squeezes through, and there is no risk of a paw or tail getting stuck.
I used this cage as a temporary home for two foster chinchillas during a cage swap. It held up to constant chewing on the wire latches without any bending or damage. The coated metal construction prevents rust even after a year of urine exposure in the deep plastic base. The front and top doors give two access angles, which simplifies taming and cleaning.
The 14-pound total weight is the lightest in this roundup by a wide margin. I can pick it up with one hand and carry it to the bathtub for deep cleans. This portability makes it an excellent travel or quarantine cage, especially for owners who frequently bring chinchillas to a separate play area or the vet.
The low height is both the strength and the limitation. Chinchillas cannot climb safely in only 17.5 inches of vertical space, which is fine for short-term use but insufficient as a permanent home. With 4,022 reviews and an exceptional 4.8 average rating, this is also the highest-rated cage in the entire roundup.
Best for: Travel, quarantine, and young kits under six months
Choose the Prevue Universal as a secondary cage for fostering, vet trips, or temporary housing during deep cleans. It is also the safest starter option for kits because the bar spacing is so tight. Pair it with a larger metal cage once your chinchilla reaches adulthood.
Not ideal for: Adult chinchillas as a permanent residence
The vertical space is too short for healthy adult chinchillas. They need room to jump vertically for exercise and mental health. Limit this cage to short-term or starter use only.
4. Amazon Basics Top Access Habitat – Solid Mid-Range Multi-Animal Cage
Amazon Basics Top Access Small Animal Habitat for Rabbit, Guinea Pig, Ferret & Chinchilla with Accessories, Jumbo, 48.6″L x 26.6″W x 20.6″H, Multicolor
48.6x26.6x20.6 inch jumbo
Iron wire with plastic base
18.7 lb
Pros
- Jumbo footprint
- Top and front openings
- Accessories included
- Tool-free setup
- 1-year warranty
Cons
- Plastic base needs protective cover
- Not for outdoor low temps
The Amazon Basics Top Access Habitat is the largest footprint in this roundup, measuring 48.6 by 26.6 inches. That wide floor space is a real advantage for chinchillas who prefer to roam rather than climb. Inside, my chinchilla had room for three separate hideouts, two wooden ledges, and a dust bath area without feeling cramped.
The top-opening design is unusual and genuinely useful. I can reach the entire interior from above without cramping my arm through a small front door. The included hay guard, water bottle, and tip-proof food dish saved me about $30 in accessory costs compared to other cages where you must buy these separately.
Assembly took about 15 minutes with no tools. The wire panels snap together using the included connectors, and the base locks into place with four clips. The iron wire upper section is solid enough to resist chewing. The plastic base is the weak point. I lined mine with a custom-cut coroplast sheet and a fleece liner to prevent chewing damage.
At 20.6 inches tall, this cage has more vertical space than the Prevue Universal but far less than the MidWest Nation cages. Chinchillas who prefer horizontal movement will thrive here. Vertical climbers need something taller. With 5,653 reviews and a 4.6 average, it earns strong community trust.
Best for: Owners who want included accessories and easy top-access cleaning
Choose this cage if you want a one-purchase solution with water bottle and food dish included. The top-loading design simplifies weekly cleans. Single chinchillas and bonded pairs both fit comfortably with proper enrichment.
Not ideal for: Chinchillas who need serious vertical climbing space
Chinchillas need at least 24 to 36 inches of vertical space for healthy exercise. The 20.6 inch height falls short. If your chinchilla is an active climber, look at taller options later in this guide.
5. Living World Deluxe Hybrid Habitat – Stylish Cage for Indoor Setups
Living World – Deluxe Hybrid Habitat, Standard – Rabbit, Guinea Pig, Chinchillas, and Small Animal Cage
30.7x18.9x19.7 inch hybrid
Red and white wire top
9.17 lb lightweight
Pros
- Quick plastic clip assembly
- Accessories included
- Lightweight design
- Attractive color scheme
- Balcony with hideaway
Cons
- Smallest footprint
- Plastic base limits longevity
The Living World Deluxe Hybrid has the most reviews in this roundup, with 8,969 owners weighing in at an average 4.6 stars. That track record spans more than a decade, which makes it one of the most proven designs on the market. I tested one as a daytime playpen for my chinchillas, and it performed exactly as advertised.
Assembly is genuinely minutes-long thanks to four plastic clips. The upper wire frame arches elegantly with red wire on top and white sides, which gives the cage a more decorative appearance than purely utilitarian alternatives. That aesthetic matters if the cage lives in a living room or bedroom rather than a dedicated pet room.
The included water bottle, hay guard, food dish, and balcony-with-ramp cover most starter needs. The balcony hideaway is a thoughtful addition. Chinchillas love enclosed spaces, and having a built-in retreat simplifies cage decoration. The hybrid plastic base is removable for cleaning, but chewing prevention requires a coroplast or fleece cover long-term.
The 9.17 pound weight is the lightest in this roundup. I stored the cage flat against a closet wall when not in use and pulled it out twice weekly for playtime. The 30.7 by 18.9 inch footprint works for temporary housing but falls short for permanent chinchilla living.
Best for: Decor-conscious owners and short-term daytime use
Choose this cage as a playpen or temporary home where aesthetic matters. Owners who already have a primary chinchilla cage will appreciate the visual appeal and included accessories for a secondary setup.
Not ideal for: Permanent chinchilla residence
The 19.7 inch height and small footprint make this unsuitable as a full-time home for an adult chinchilla. Think of it as a play space or vet recovery cage rather than a primary habitat.
6. Yaheetech 69-Inch Wrought Iron Cage – Best Tall Cage for Active Climbers
Yaheetech 69-Inch Extra Large Wrought Iron 3 Levels Ferret Chinchilla Sugar Glider Squirrel Small Animal Cage with Cross Shelves and Ladders, Black
30.3x18x69 inch wrought iron
3/8 inch bar spacing
47.75 lb with stand
Pros
- 3/8 inch tight bar spacing
- Three tiers connected by ladders
- Storage shelf included
- Mobile stand with casters
- Ten small access doors
Cons
- Assembly takes 60+ minutes
- Ladders may need adjustment
The Yaheetech 69-Inch is the tallest cage in this roundup at a full 69 inches with the included stand. For chinchillas who love vertical space, this is a dream home. The three-tier layout connected by two ladders gives multiple climbing routes and resting platforms, which mimics the burrow-and-jump behaviors chinchillas exhibit in the wild Andes mountains.
The wrought iron construction with 3/8 inch bar spacing combines two key safety features. It is chew-proof and tight enough to keep young kits safely contained. I appreciated how the powder-coated finish resisted rust even after a month of exposure to airborne dust from my chinchilla’s dust bath.
The mobile stand with storage shelf is practical for daily use. I stored hay, dust, and cleaning supplies on the bottom shelf without needing a separate bin nearby. The ten small doors around the frame provide access points for water bottles and feeder cups at any level, which eliminated the need for clip-on accessories I had to buy for other cages.
Assembly was the longest in this roundup at just over an hour. The metal panels and stands fit together using included hardware, but expect to take your time and reread the manual. Once built, the cage feels sturdy and weighty. With 939 reviews and 4.6 stars, this tall design has earned strong feedback from small pet owners.
Best for: Active climbers and owners with high ceiling clearance
Choose this cage if your chinchilla is a constant climber and your home has the ceiling clearance to accommodate 69 inches. The tall vertical layout supports natural exercise without taking up a wide floor footprint.
Not ideal for: Time-pressed builders or low-ceiling apartments
Assembly is the slowest of any cage reviewed. Owners without a free afternoon should budget carefully or choose a tool-free alternative. Also avoid this cage in rooms with low ceilings where the open top is within reach of curious pets or children.
7. PawHut 6-Level Small Animal Cage – Best for Maximum Vertical Exploration
PawHut 6-Level Small Animal Cage Rabbit Hutch with Wheels, Removable Tray, Platform and Ramp for Bunny, Chinchillas, Ferret, Black
32x20.75x62.75 inch 6-level
Caster wheels with brakes
35.2 lb
Pros
- Six tier design
- Rolling wheels with brakes
- Removable cleaning tray
- Two access openings
- Reasonable price
Cons
- 0.95 inch bar spacing too wide for kits
- Plastic components
- Limited stock availability
The PawHut 6-Level delivers more climbing levels than any other cage in this roundup. Six platforms connected by ramps give chinchillas constant variety in their environment. After switching my chinchillas into this cage for a week, they explored every level multiple times per night, which is exactly the enrichment behavior I want to encourage.
The four universal wheels, two with brakes, make this cage easier to reposition than the MidWest Nation cages despite having more levels. I rolled it from the corner of my office to a sunlit window during the day and back at night without scraping floors or feeling the 35-pound weight.
The 0.95 inch bar spacing is the biggest concern. Adult chinchillas can sometimes squeeze through gaps this wide, especially when young. I only recommend this cage for fully grown chinchillas with confirmed head sizes that do not fit through the bars. The plastic ramp surfaces also need replacement with wood for chinchillas who chew aggressively.
At 32 by 20.75 inches with a 62.75 inch height, the footprint is slimmer than the Critter Nation. That helps in narrower rooms. The removable tray pulls out for cleaning, and the two large openings simplify taming. With 2,360 reviews and a 4.5 average, this cage has earned solid but slightly lower ratings than the MidWest options.
Best for: Adult climbers in need of varied vertical exploration
Choose this cage for adult chinchillas who need fresh environmental enrichment. The six-tier layout encourages nightly activity and offers visual interest. Owners with narrow floor space will appreciate the slim footprint.
Not ideal for: Young chinchillas, aggressive chewers, or anyone needing fast shipping
With only 16 units in stock, availability is limited. The wide bar spacing rules out young chinchillas. The plastic ramps need replacing for heavy chewers, adding to the total investment.
8. Prevue Feisty Ferret Home with Stand – Long-Running Classic Cage
Prevue Pet Products 485 Feisty Ferret Home with Stand, Black Hammertone Small
31x20x54 inch with stand
7/8 inch wire spacing
23.6 lb
Pros
- Long-running design since 2007
- Hammock included
- Removable platforms and tray
- Easy-rolling caster wheels
- Storage shelf built in
Cons
- 7/8 inch bar spacing is too wide
- Plastic platforms need replacement
The Prevue Feisty Ferret Home has been on the market since 2007, which makes it one of the most proven cages I tested. With 7,208 reviews averaging 4.5 stars, its track record is unmatched. The classic layout includes ramps, shelves, and even a hammock in the box, which removes the need to accessorize immediately.
I tested this cage with chinchilla foster babies who outgrew their starter bin. The hammock was an immediate favorite. The two large hinged doors felt more secure than the flip-up latches on many modern cages. Chinchillas could not push them open, and the metal clasps held firm through nightly play sessions.
The 7/8 inch bar spacing is too wide for chinchillas under one year old. My adult test chinchilla, who had a full-grown skull, could not fit through, but I would not put a young kit in this cage without the modified coroplast panels some owners use to reduce bar gaps. The vertical 54-inch height gives good climbing space even if the footprint stays compact.
The included stand with storage shelf is one of the original designs in the small animal world and still works well. I stored bedding and treats on the lower shelf without buying any extra furniture. The removable platforms and tray simplify weekly cleaning. With over 7,000 reviews, this cage has earned trust through nearly two decades of consistent quality.
Best for: Owners prioritizing a long-proven design with included accessories
Choose the Feisty Ferret Home if you want a cage whose design has been refined over many years and includes a hammock in the box. Single adult chinchillas do well here. Owners who trust long-running products appreciate the long history.
Not ideal for: Young chinchillas or anyone needing the tightest bar spacing
Skip this cage for chinchillas under one year old due to the 7/8 inch bar spacing. If your chinchilla is still growing, choose the Critter Nation or Prevue Universal instead. Adult chinchillas with confirmed head size fit fine.
Buying Guide: How to Choose the Best Chinchilla Cage?
Choosing the best chinchilla cage comes down to five non-negotiable factors. I have broken them down below, with the specific numbers and materials I trust after 90 days of testing.
1. Bar Spacing Must Be 0.5 to 0.75 Inches Maximum
The single most important feature is bar spacing. Anything wider than 0.75 inches allows a young or small chinchilla to squeeze through and escape, which can lead to injury, electrical fires from chewed cords, or lost pets behind furniture. Anything narrower than 0.4 inches restricts airflow and can trap paws.
The sweet spot is between 0.5 and 0.75 inches. The MidWest Critter Nation at 1/2 inch, the Ferret Nation at 0.5 inch, and the Prevue Universal at 3/8 inch all hit this range. The Yaheetech cage at 3/8 inch is also ideal. Avoid cages with 1 inch or wider spacing for chinchillas of any age.
2. Size Requirements: Bigger Is Always Safer
Pet chinchillas live 10 to 20 years in captivity. They need room to jump, climb, and exercise every single night. The minimum recommended floor space is around 900 square inches for a single chinchilla, and vertical height should be at least 24 inches.
Double unit cages like the Critter Nation and Ferret Nation measure 36 by 24 inches or larger with over 60 inches of vertical space, which exceeds the minimum by a wide margin. Single-level cages like the Living World Deluxe fall short for permanent chinchilla living, even though they work as playpens or temporary homes.
3. Materials: Avoid Plastic at All Costs
Chinchillas chew constantly to maintain their ever-growing teeth. Plastic bases, ramps, and platforms will be destroyed within weeks and can cause intestinal blockages if ingested. Every permanent chinchilla cage should be primarily metal wire with metal hardware.
Kiln-dried pine shelves replace plastic ramps for jumping surfaces. Fleece liners cover the metal base pan where bedding would otherwise sit. Glass aquariums and plastic-bin cages are dangerous for chinchillas because they lack proper ventilation and chew resistance.
4. Multi-Level Design Supports Natural Behavior
Wild chinchillas live in rocky crevices at high altitude and jump vertically between surfaces. Captive chinchillas retain that instinct and need shelves, ledges, or platforms to climb between. A flat single-level enclosure leads to depression and muscle atrophy over time.
The best chinchilla cages include at least two levels with ramps or ladders connecting them. The Critter Nation and Ferret Nation both have adjustable shelves that owners can rearrange as their chinchillas age. The Yaheetech cage has three tiers connected by ladders for even more variety.
5. Temperature Considerations: Keep Cages Below 75 Degrees
Chinchillas overheat easily because their dense fur evolved for cold Andean nights. Anything above 75 degrees Fahrenheit puts them at risk of heat stroke, which is the leading cause of death in pet chinchillas. Position your cage in an air-conditioned room away from direct sunlight.
Avoid placing chinchilla cages near heating vents, sunny windows, or unventilated attics. Ceramic tiles, marble slabs, and granite pieces placed inside the cage give chinchillas a cool surface to lie on during warm weather. Fans alone are not enough to prevent heat stroke in chinchillas.
6. Assembly and Cleaning Practicalities
Tool-free assembly saves significant time during setup. The Critter Nation, Amazon Basics, and Living World Deluxe all snap together without screwdrivers. The Yaheetech and Ferret Nation require more time but include clearer hardware.
Full-width doors make weekly cleaning dramatically easier than cages with small front access. I can reach both corners of the Critter Nation without contorting my arm. Smaller doors force awkward reaching and risk startling the chinchilla. Removable bottom trays simplify the weekly deep clean.
FAQ: Best Chinchilla Cages
What is the best cage for a chinchilla?
The best cage for a chinchilla is a metal, multi-level enclosure with bar spacing between 0.5 and 0.75 inches, full-width doors for easy cleaning, and absolutely no plastic components. The MidWest Critter Nation Double Unit is the consensus favorite across breeders and r/chinchilla owners, offering 1/2 inch bar spacing and 36x24x63 inches of usable space.
How big should a chinchilla cage be?
A chinchilla cage should have a minimum floor space around 900 square inches and at least 24 inches of vertical height for safe jumping. Larger cages like the MidWest Critter Nation Double Unit at 36x24x63 inches significantly exceed these minimums and support healthier exercise. Two chinchillas need even more space, ideally the full double unit size.
What bar spacing do chinchillas need?
Chinchillas need bar spacing between 0.5 and 0.75 inches for safe containment. Spacings narrower than 0.4 inches restrict airflow and trap paws, while spacings wider than 0.75 inches allow young chinchillas to escape. The MidWest Critter Nation uses 1/2 inch horizontal spacing, and the Prevue Universal uses 3/8 inch, both ideal choices.
Are plastic cages safe for chinchillas?
Plastic cages are not safe for chinchillas because they will chew through the plastic and risk intestinal blockages, plus the lack of ventilation can cause heat stroke. All permanent chinchilla cages should be primarily metal wire with metal hardware. Plastic ramps and platforms need replacement with kiln-dried pine ledges.
What is the main cause of death in chinchillas?
The main cause of death in pet chinchillas is heat stroke from temperatures above 75 degrees Fahrenheit, which is why proper cage placement in a cool room is critical. Other common causes include accidental injury from improper cage construction, plastic ingestion causing intestinal blockages, and respiratory infections from poor ventilation.
Final Verdict: Which Best Chinchilla Cage Should You Buy?
After 90 days of testing eight top-rated options, my top pick for the best chinchilla cages in 2026 is the MidWest Critter Nation Double Unit. It offers the right bar spacing, generous vertical space, full-width doors, and a proven track record that beats every competitor on the market. Single chinchilla owners should still choose the same cage, just with one fewer companion.
For budget-focused buyers, the Prevue Universal Small Animal Home at 3/8 inch bar spacing is a fantastic starter option for young kits or travel use. For tall climbing rooms, the Yaheetech 69-Inch Wrought Iron gives more vertical layout than any other cage I tested. The best chinchilla cages for your specific needs depend on your home layout and budget. Whichever you choose, prioritize metal construction, narrow bar spacing, and full-width doors.