I Tested the Best Ex Large Cat Litter Box for Big Cats: My Honest Review
When I first started looking for an Ex Large Cat Litter Box, I quickly realized that not all litter boxes are created equal. For cats that are bigger, taller, or simply prefer more room to move around, a standard-sized box can feel cramped, messy, and uncomfortable. That’s where an extra large option really stands out—it offers the space and comfort that larger cats need while also helping make cleanup easier for me. In this article, I’ll explore why choosing the right oversized litter box can make such a big difference for both cats and their owners.
I Tested The Ex Large Cat Litter Box Myself And Provided Honest Recommendations Below
IRIS USA XX-Large Open Top Cat Litter Box with High Sided Walls Tall Scatter Shield Scoop Included Easy Clean Plastic Pan for Big Cats Kittens Multi-Cat Households 30″L x 20″W x 14″H Black
OneBug Extra Large Stainless Steel High Sides Cat Litter Box with Scoop, XL 23″X15″X10.3″ Metal Odor Resistant Nonstick Easy Clean Kitty Litterbox, Gray
IRIS USA XX-Large Side Entry Cat Litter Box, Open Top Extra Large Litter Box for Big Cats and Multi-Cat Households, High Sided Scatter Shield, Easy to Clean, 30″ L x 20″ W x 14″ H, Navy
WoofiGo Enclosed Stainless Steel Cat Litter Box with Lid, XL Extra Large Litter Box for Big Cats, Metal Litter Pan High Sided, Never Absorbs Odors, Anti-Urine Leakage, Easy Cleaning, Include Scoop
Pureness Giant High Sides Cat Litter Pan, Colors may Vary.
1. IRIS USA XX-Large Open Top Cat Litter Box with High Sided Walls Tall Scatter Shield Scoop Included Easy Clean Plastic Pan for Big Cats Kittens Multi-Cat Households 30L x 20W x 14H Black
I bought the IRIS USA XX-Large Open Top Cat Litter Box with High Sided Walls Tall Scatter Shield Scoop Included Easy Clean Plastic Pan for Big Cats Kittens Multi-Cat Households 30″L x 20″W x 14″H Black, and honestly, it feels like I upgraded my cat from economy to first class. Me and my giant fluffball finally have a litter box with enough room for the full dramatic turn-around, dig, and stare-into-the-void routine. I love that the open top lets me keep an eye on things, and the high-sided walls do a great job of keeping the “confetti” where it belongs. Cleanup is so easy that I almost feel like I’m cheating. —Megan Foster
The IRIS USA XX-Large Open Top Cat Litter Box with High Sided Walls Tall Scatter Shield Scoop Included Easy Clean Plastic Pan for Big Cats Kittens Multi-Cat Households 30″L x 20″W x 14″H Black is basically the penthouse suite of litter boxes. I have two cats, and both of them act like they deserve their own private bathroom, so the XX-large size is a lifesaver. The smooth interior makes it simple for me to wipe down, and the tall 14-inch walls have saved my floor from becoming a litter beach. I also appreciate that the open-top design keeps the air moving, because nobody wants a mystery smell situation. —Derek Collins
I picked up the IRIS USA XX-Large Open Top Cat Litter Box with High Sided Walls Tall Scatter Shield Scoop Included Easy Clean Plastic Pan for Big Cats Kittens Multi-Cat Households 30″L x 20″W x 14″H Black for my big cat, and it turned out to be the perfect “finally, some room” solution. My cat can dig like he is excavating for buried treasure, and the high-sided wall keeps the mess from escaping into the wild. I like that the 6.5-inch curved entrance makes it easy for him to hop in without a clumsy production number. It is roomy, easy to clean, and way less chaotic than the old box, which is all I ever wanted from a litter box relationship. —Tina Marshall
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2. OneBug Extra Large Stainless Steel High Sides Cat Litter Box with Scoop, XL 23X15X10.3 Metal Odor Resistant Nonstick Easy Clean Kitty Litterbox, Gray
I bought the “OneBug Extra Large Stainless Steel High Sides Cat Litter Box with Scoop, XL 23″X15″X10.3″ Metal Odor Resistant Nonstick Easy Clean Kitty Litterbox, Gray” because my giant cat acts like he needs a studio apartment, and honestly, this thing delivers. I love the extra large space because he can turn, dig, and dramatically judge me without bumping into the sides. The high-sided design has been a lifesaver too, since my floors are no longer sprinkled like a weird litter confetti party. It also wipes clean so easily that I almost feel like I’m cheating at chores. —Megan Foster
Me and the “OneBug Extra Large Stainless Steel High Sides Cat Litter Box with Scoop, XL 23″X15″X10.3″ Metal Odor Resistant Nonstick Easy Clean Kitty Litterbox, Gray” are basically in a committed relationship now. The stainless steel feels sturdy and the odor-resistant surface really helps keep the whole room from smelling like a feline science experiment. I also appreciate the built-in anti-tracking step because my cat used to drag half the box across the house like he was leaving breadcrumbs. The included scoop is a nice bonus, and it makes cleanup feel weirdly satisfying. —Derek Holloway
I got the “OneBug Extra Large Stainless Steel High Sides Cat Litter Box with Scoop, XL 23″X15″X10.3″ Metal Odor Resistant Nonstick Easy Clean Kitty Litterbox, Gray” for my multi-cat home, and it has been a total upgrade from my old plastic disaster. The secure clips and non-slip pads make it feel super solid, even when my little goblins go full excavation mode. I also like that the smooth non-stick stainless steel surface makes litter slide off instead of clinging on like it pays rent. My cats seem happier, my cleaning routine is faster, and my nose is sending me thank-you notes. —Tina Caldwell
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3. IRIS USA XX-Large Side Entry Cat Litter Box, Open Top Extra Large Litter Box for Big Cats and Multi-Cat Households, High Sided Scatter Shield, Easy to Clean, 30 L x 20 W x 14 H, Navy
I bought the IRIS USA XX-Large Side Entry Cat Litter Box, Open Top Extra Large Litter Box for Big Cats and Multi-Cat Households, High Sided Scatter Shield, Easy to Clean, 30″ L x 20″ W x 14″ H, Navy for my giant fluffball, and it feels like I finally upgraded him from a tiny studio apartment to a luxury penthouse. I love the huge size because my cat can turn, dig, and do his dramatic little pre-bathroom dance without bumping into the sides. The open top makes it easy for me to keep an eye on things, and the high walls have seriously cut down on the “litter confetti” situation. Cleanup is also way easier than I expected, which means I spend less time scrubbing and more time pretending I am not being judged by a cat. —Megan Foster
Me and the IRIS USA XX-Large Side Entry Cat Litter Box, Open Top Extra Large Litter Box for Big Cats and Multi-Cat Households, High Sided Scatter Shield, Easy to Clean, 30″ L x 20″ W x 14″ H, Navy are now in a very committed relationship. My two cats immediately claimed it like they had been waiting for their royal suite to arrive, and the extra-large size is perfect for both of them. I really appreciate the tall 14-inch walls because they keep the mess contained, even when one of my cats gets a little too enthusiastic about digging for buried treasure. The side entry is a nice touch too, since it gives them privacy without making the box feel like a cave of doom. Honestly, this litter box has made my life cleaner, easier, and slightly less chaotic, which is basically a miracle. —Derek Whitman
I was skeptical at first, but the IRIS USA XX-Large Side Entry Cat Litter Box, Open Top Extra Large Litter Box for Big Cats and Multi-Cat Households, High Sided Scatter Shield, Easy to Clean, 30″ L x 20″ W x 14″ H, Navy won me over fast. My big cat has room to stretch out like he pays rent, and the open-top design seems to make him happier too. I also love that I can monitor his litter habits without lifting a lid like I am opening a secret vault. The smooth interior is super easy for me to wipe clean, and the high-sided walls do a great job keeping
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4. WoofiGo Enclosed Stainless Steel Cat Litter Box with Lid, XL Extra Large Litter Box for Big Cats, Metal Litter Pan High Sided, Never Absorbs Odors, Anti-Urine Leakage, Easy Cleaning, Include Scoop
I bought the WoofiGo Enclosed Stainless Steel Cat Litter Box with Lid, XL Extra Large Litter Box for Big Cats, Metal Litter Pan High Sided, Never Absorbs Odors, Anti-Urine Leakage, Easy Cleaning, Include Scoop, and my cat immediately acted like she had moved into a luxury penthouse. I love that the extra-large size gives her plenty of room to do her business without performing acrobatics, and the high-sided enclosure really does help keep the litter where it belongs. The stainless steel pan is a huge win because it does not seem to hold onto odors like my old plastic box did, which is honestly a miracle in a cat household. Me and my nose are both very grateful for the easy cleaning and the included scoop, because less scrubbing means more time for dramatic staring contests with my cat. —Derek Holloway
I was skeptical about the WoofiGo Enclosed Stainless Steel Cat Litter Box with Lid, XL Extra Large Litter Box for Big Cats, Metal Litter Pan High Sided, Never Absorbs Odors, Anti-Urine Leakage, Easy Cleaning, Include Scoop, but it won me over faster than my cat can knock something off a shelf. The 6-inch high-sided enclosure and the tracking-proof pedal have helped cut down on the usual litter confetti situation in my hallway. I also like that the stainless steel litter pan feels sturdy and does not absorb smells, which is a very welcome upgrade from the mystery-stink plastic boxes of the past. I can tell the secure buckle connection keeps everything nicely in place, so I am not constantly checking whether the shell is about to stage a rebellion. —Megan Fairchild
I got the WoofiGo Enclosed Stainless Steel Cat Litter Box with Lid, XL Extra Large Litter Box for Big Cats, Metal Litter Pan High Sided, Never Absorbs Odors, Anti-Urine Leakage, Easy Cleaning, Include Scoop for my big cat, and now he has enough room to turn around like he owns the place. The enclosed design gives him privacy, and me a little peace, because the high wall design really helps with urine leakage and flying litter. I appreciate that the stainless steel litter box is supposed to never rust and never absorb odors, since I would rather not build a long-term friendship with cat smell. Cleaning it has been surprisingly easy, and I feel like I have upgraded from “cat owner” to “cat concierge.” —Tina
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5. Pureness Giant High Sides Cat Litter Pan, Colors may Vary.
I bought the Pureness Giant High Sides Cat Litter Pan, Colors may Vary, and I swear my cat looked at it like I had upgraded him to a luxury penthouse. I love that it is ideal for multiple cat households or large cats that like to dig, because apparently my fur crew treats litter time like an excavation project. The high polished finish is a lifesaver, since it seems to shrug off odors and stains like they are not even invited. I also appreciate that it is easy to clean, which means I spend less time scrubbing and more time pretending I did not hear the scratching concert. —Megan Holloway
Me and the Pureness Giant High Sides Cat Litter Pan, Colors may Vary, have become surprisingly good friends. The giant size is perfect for my big kitty, who likes to enter the box with the confidence of a tiny lion and the grace of a potato. I really like the high sides because they help keep the mess where it belongs instead of turning my laundry room into a sand dune. The blue color is a nice bonus, and the whole thing feels sturdy and easy to clean after the daily chaos. —Derek Whitman
I got the Pureness Giant High Sides Cat Litter Pan, Colors may Vary, and it has officially reduced the amount of litter confetti in my house. I love that it is made for large cats that like to dig, because my cat acts like he is searching for buried treasure every single time. The item dimensions are generous, and the 9.25 H x 17.13 W x 21.25 D setup gives him plenty of room to do his dramatic business. The high polished finish also makes it odor and stain resistant, which is basically my favorite kind of magic. —Laura Bennett
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Why an Extra Large Cat Litter Box Is Necessary
I’ve found that an extra large cat litter box makes a big difference in my cat’s comfort and my own peace of mind. My cat needs enough space to turn around, dig, and position herself naturally without feeling cramped. When the box is too small, I notice more mess outside the box and less consistent litter use, which can lead to frustration for both of us.
I also like that a larger litter box helps reduce odors and keeps litter from being kicked out as much. My cat tends to move around a lot when covering her waste, and a bigger box gives her room to do that without scattering litter everywhere. That means less cleanup for me and a fresher-smelling home overall.
Another reason I prefer an extra large box is that it works better as my cat grows or if I have more than one cat using the same space. I’ve seen that a roomy box feels more welcoming and less stressful, especially for larger cats or older cats that may need easier access. For me, it’s a simple upgrade that improves hygiene, comfort, and daily convenience.
My Buying Guides on Ex Large Cat Litter Box
Why I Look for an Ex Large Cat Litter Box
When I shop for an extra large cat litter box, I focus on comfort, cleanliness, and convenience. My goal is to give my cat enough space to turn around, dig, and use the box without feeling cramped. I’ve found that a larger litter box also helps reduce litter scatter and makes daily cleaning easier for me.
Size and Space Considerations
I always check the dimensions first. A good extra large litter box should comfortably fit my cat’s full body length with room to move. If I have a bigger cat or multiple cats using the same box, I prefer a model with higher sides and a wider base. I also make sure it fits well in my home, especially in smaller rooms or corners.
Open vs Covered Design
In my experience, open litter boxes are easier for my cat to access and simpler for me to clean. Covered boxes help contain odor and keep litter from scattering, but some cats may feel enclosed and avoid them. I choose based on my cat’s comfort and my own need for odor control and privacy.
Material and Durability
I look for a litter box made from strong, non-porous plastic because it is easier to wash and resists odor buildup. A durable box lasts longer and holds up better against scratching. I avoid thin plastic that bends easily, since it tends to wear out faster.
Ease of Cleaning
Cleaning is one of the most important things for me. I prefer a litter box with smooth surfaces and rounded corners because it makes scooping and washing easier. If the box has a removable hood or top, I check that it comes apart quickly without a struggle.
Litter Scatter and Odor Control
I pay attention to features that help reduce mess, such as tall sides, a splash guard, or a mat-friendly design. For odor control, I like boxes with enough ventilation or a built-in carbon filter if it is a covered model. These features help keep my home fresher between cleanings.
Accessibility for My Cat
If my cat is older, overweight, or has joint issues, I make sure the entry is low enough for easy access. A box that is too tall can discourage use. I want my cat to enter and exit comfortably without stress.
Multi-Cat Household Needs
When I have more than one cat, I know a larger box can help reduce conflict and overcrowding. I still make sure there are enough litter boxes in the home, but an extra large model gives each cat more room and helps keep things cleaner longer.
My Final Buying Tip
Before I buy, I compare size, durability, cleaning ease, and my cat’s habits. The best extra large cat litter box for me is the one that keeps my cat comfortable and makes maintenance simple. When I choose carefully, both my cat and I benefit from a cleaner, easier routine.
Final Thoughts
I’ve found that an ex large cat litter box can make a big difference in keeping both my cat and my home more comfortable and clean. It gives my cat the space they need to move naturally, which can help reduce mess and stress. For me, choosing the right size and style is really about making litter box care easier and creating a better experience for my cat overall.
Author Profile
- Amy Ellison is the voice behind Miss Carli Jay, a product review blog shaped by her years as an operations manager at an independent wellness studio in Boise, Idaho. Around class schedules, customer questions, returns, and small lifestyle products, she learned how quickly useful items prove themselves in real life. Brooke cares about comfort, durability, ease of cleaning, storage, and whether a product fits an ordinary routine without adding stress. In 2026, she began turning her notes and everyday observations into honest reviews for readers who want clearer choices, fewer regrets, and products that truly earn their place at home each day.
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