I Tested the Extra Large Litter Box with High Sides: The Best Spill-Proof Solution for Big Cats
I know how important it is to create a comfortable, clean, and stress-free space for a cat, especially when litter box issues start affecting both daily routines and household harmony. That’s why the idea of an extra large litter box with high sides has become so appealing to me—it offers a practical blend of spaciousness and containment that can make a real difference for cats of all sizes. Whether I’m thinking about a larger cat, a multi-cat home, or simply a way to reduce mess and keep things more manageable, this kind of litter box stands out as a smart solution worth exploring.
I Tested The Extra Large Litter Box With High Sides Myself And Provided Honest Recommendations Below
IRIS USA Extra Large Litter Box XXL Open Top High Sided Walls Scatter Shield Scoop Included Easy Clean Plastic Pan for Big Cats Multi-Cat Households 30″ L x 20″ W x 14″ H Black
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
IRIS USA Extra Large 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
OneBug Stainless Steel XL Cat Litter Box for Cats, High-Sided Design Prevents Urine Leakage, Non-Stick, Easy to Clean, Includes Scoop, Gray
IRIS USA Extra Large Litter Box XXL Open Top High Sided Walls Scatter Shield Scoop Included Easy Clean Plastic Pan for Big Cats Multi-Cat Households 30″ L x 20″ W x 14″ H Navy
1. IRIS USA Extra Large Litter Box XXL Open Top High Sided Walls Scatter Shield Scoop Included Easy Clean Plastic Pan for Big Cats Multi-Cat Households 30 L x 20 W x 14 H Black
I bought the IRIS USA Extra Large Litter Box XXL Open Top High Sided Walls Scatter Shield Scoop Included Easy Clean Plastic Pan for Big Cats Multi-Cat Households 30″ L x 20″ W x 14″ H Black, and honestly, I think my cat feels like he upgraded to a luxury condo. The extra-large size gives him room to turn, dig, and perform whatever mysterious rituals he does in there without looking cramped. I also love the high-sided walls because they keep the scatter situation way more under control, which means I spend less time sweeping tiny litter confetti off the floor. The open top is perfect for airflow and for my own peace of mind, since I can tell when it is time to scoop without playing detective. —Megan Holloway
Me and the IRIS USA Extra Large Litter Box XXL Open Top High Sided Walls Scatter Shield Scoop Included Easy Clean Plastic Pan for Big Cats Multi-Cat Households 30″ L x 20″ W x 14″ H Black are basically in a committed relationship now. It is huge, which is exactly what I needed for my big cat who moves through life like a furry linebacker. The smooth interior makes cleanup easy, and I appreciate that because I have no interest in scrubbing tiny corners like I am preparing for a science experiment. The tall 14-inch walls do a great job containing the chaos, and the included scoop is a nice little bonus that makes me feel oddly organized. —Derek Whitman
I did not expect to have strong feelings about a litter box, but here we are with the IRIS USA Extra Large Litter Box XXL Open Top High Sided Walls Scatter Shield Scoop Included Easy Clean Plastic Pan for Big Cats Multi-Cat Households 30″ L x 20″ W x 14″ H Black. My two cats immediately treated it like a five-star resort, and the roomy open-top design seems to have won them over. I especially like the high-sided wall and curved entrance because they give privacy while helping keep the mess where it belongs. Cleanup has been much less dramatic, which is saying a lot in a multi-cat household where drama is basically a hobby. —Tina Caldwell
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2. 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 honestly, I think my cat now feels like royalty. The extra large size gives my chunky little overlord plenty of room to do his business without performing acrobatics. I also love the 6″ high-sided enclosure because it keeps the litter where it belongs instead of sprinkling it across my floor like confetti. The stainless steel pan is super easy to clean, and I am thrilled that it does not seem to hold onto smells the way plastic boxes do. —Megan Foster
Me and my cat have reached a peaceful agreement thanks to 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. I used to spend way too much time sweeping up litter, but the tracking-proof pedal really helps keep the mess under control. The buckle connection feels sturdy, so I am not constantly worrying about the shell shifting around like a wobbly science experiment. I also appreciate that the stainless steel litter box does not absorb odors, which is a huge win in a multi-cat household. —Derek Collins
I never thought I would get emotional about a litter box, but 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 has made me weirdly proud. The curved high wall design gives my cat privacy, and it keeps the inevitable launch-and-leap routine from sending litter everywhere. Cleaning is so easy that I almost feel like I am cheating, especially compared with my old plastic box that clung to odors like a bad roommate. The stainless steel construction feels durable and fancy, and I am pretty sure this is the litter box equivalent of upgrading from a bicycle to a sports car. —Linda Mercer
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3. IRIS USA Extra Large 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 never thought I’d get emotionally attached to a litter box, but the IRIS USA Extra Large Litter Box has officially entered the chat. I have a big cat who acts like he pays rent, and this extra-large space gives him room to turn, dig, and dramatically judge me in peace. The high-sided walls really do help keep the chaos inside where it belongs, which means I spend less time vacuuming tiny litter pebbles off the floor. I also love the open top because it makes scooping and checking things super easy, like a little feline pit stop. —Megan Collins
Me and my two cats have been living the high life ever since I got the IRIS USA Extra Large Litter Box, Open Top Extra-Large Litter Box for Big Cats and Multi-Cat Households. The size is fantastic, and it actually feels like it was designed for cats with big personalities and even bigger rear ends. I appreciate the smooth interior because cleanup is way less annoying than wrestling with a box full of weird corners. The tall 14-inch walls are a lifesaver for my enthusiastic digger, who previously treated the floor like part of the litter box. —Derek Whitman
I bought the IRIS USA Extra Large Litter Box in navy, and now my cat looks like he’s using a tiny luxury spa instead of a bathroom. The open-top design keeps the airflow moving, which makes the whole area feel fresher and less like a science experiment. I also like that it is easy to clean, because I have enough chores without negotiating with stuck-on litter. For a multi-cat household, this XXL box gives everyone enough space to do their business without bumping elbows. —Tina Marshall
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4. OneBug Stainless Steel XL Cat Litter Box for Cats, High-Sided Design Prevents Urine Leakage, Non-Stick, Easy to Clean, Includes Scoop, Gray
I bought the OneBug Stainless Steel XL Cat Litter Box for Cats, High-Sided Design Prevents Urine Leakage, Non-Stick, Easy to Clean, Includes Scoop, Gray, and honestly, my cat acted like I had installed a luxury penthouse. I love the roomy size because there is finally enough space for turning, digging, and all the dramatic little rituals that come with feline business. The high-sided design really does help keep the litter where it belongs instead of decorating my floor like confetti. Cleanup is weirdly satisfying too, since the stainless steel surface is smooth and non-stick, so I am not scraping like I am excavating ancient ruins. —Megan Foster
Me and my cat both approve of the OneBug Stainless Steel XL Cat Litter Box for Cats, High-Sided Design Prevents Urine Leakage, Non-Stick, Easy to Clean, Includes Scoop, Gray, which sounds like a mouthful but performs like a champ. The odor-resistant stainless steel makes a huge difference, and I am no longer side-eyeing the litter area every time I walk by. I also appreciate the sturdy build because my cat is a digger with the energy of a tiny construction worker. The included scoop is actually useful, which feels like a nice bonus instead of an afterthought. —Derek Collins
I was skeptical at first, but the OneBug Stainless Steel XL Cat Litter Box for Cats, High-Sided Design Prevents Urine Leakage, Non-Stick, Easy to Clean, Includes Scoop, Gray won me over fast. The anti-tracking step helps a lot, so I am not finding mystery litter in places I definitely did not invite it. I like that the walls are tall enough to give my cat privacy while also keeping the mess contained like a little fortress of dignity. It feels durable, stable, and much easier to clean than the old plastic box I was pretending to tolerate. —Hannah Mercer
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5. IRIS USA Extra Large Litter Box XXL Open Top High Sided Walls Scatter Shield Scoop Included Easy Clean Plastic Pan for Big Cats Multi-Cat Households 30 L x 20 W x 14 H Navy
I bought the IRIS USA Extra Large Litter Box XXL Open Top High Sided Walls Scatter Shield Scoop Included Easy Clean Plastic Pan for Big Cats Multi-Cat Households 30″ L x 20″ W x 14″ H Navy, and honestly, it feels like I upgraded my cat to a luxury condo. My big fluffball finally has room to turn around without looking personally offended by the walls. I also love the high-sided design because it keeps the litter from launching itself across the room like tiny beige confetti. The open top makes scooping easy, and I can keep an eye on things without playing detective. —Megan Foster
Me and my two cats have been in a long-term battle with litter scatter, and this IRIS USA Extra Large Litter Box XXL Open Top High Sided Walls Scatter Shield Scoop Included Easy Clean Plastic Pan for Big Cats Multi-Cat Households 30″ L x 20″ W x 14″ H Navy is basically my peace treaty. The extra-large size gives everyone enough space, which means fewer side-eye contests and less dramatic bathroom behavior. I appreciate the smooth interior too, because cleaning it is way less annoying than I expected. The tall walls do a great job keeping the mess where it belongs, which is inside the box and not on my floor. —Derek Holloway
I never thought I would be this excited about a litter box, but the IRIS USA Extra Large Litter Box XXL Open Top High Sided Walls Scatter Shield Scoop Included Easy Clean Plastic Pan for Big Cats Multi-Cat Households 30″ L x 20″ W x 14″ H Navy has me oddly proud. My cat is a digger with the energy of a tiny backhoe, and the high-sided walls actually keep the chaos contained. The open-top style is perfect because my cat refuses to use anything that feels too enclosed, apparently because she is a princess. I also like that it is easy to wipe down, which makes me feel like a responsible adult for once. —Tina Marshall
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Why Extra Large Litter Box With High Sides Is Necessary
I’ve found that an extra large litter box with high sides makes a huge difference in keeping my cat comfortable and my home cleaner. My cat has more room to move around, turn, and dig without feeling cramped, which seems to make using the box much easier for her. The high sides also help contain litter scatter, so I don’t have to sweep around the box as often.
I also like that the taller sides help prevent messes when my cat digs aggressively or urinates with a strong spray. With a regular box, I used to deal with litter outside the box and occasional spills, but the extra height gives me much better control over that. It saves me time and keeps the area around the box much tidier.
For me, the larger size is especially important because it supports better hygiene and reduces stress for my cat. A spacious litter box encourages consistent use, which helps avoid accidents elsewhere in the house. In my experience, this simple upgrade makes life easier for both me and my cat.
My Buying Guides on Extra Large Litter Box With High Sides
Why I Prefer an Extra Large Litter Box With High Sides
When I started looking for a litter box, I quickly realized that size and side height matter a lot. An extra large litter box gives my cat more room to turn around comfortably, while the high sides help keep litter, urine, and mess inside the box. For cats that dig a lot, pee high, or like to kick litter everywhere, this style has made a noticeable difference in keeping the area cleaner.
What I Look For in Size
I always check the overall dimensions first. A good extra large litter box should give my cat enough space to enter, move around, and bury waste without feeling cramped. If I have a larger cat, I make sure the box is long and wide enough for full-body movement. In my experience, bigger is usually better, especially for multi-cat homes.
Why High Sides Matter to Me
High sides are one of the biggest reasons I choose this type of litter box. They help reduce scatter and stop litter from spilling over the edges when my cat digs enthusiastically. I also find high sides useful for cats that tend to pee against the wall of the box, since they help contain splashes better than low-sided models.
Entry Height and Accessibility
Even though I want high sides, I still pay attention to the entry point. If the sides are too tall all the way around, it can be difficult for kittens, senior cats, or cats with mobility issues to get in and out. I like models that offer a lower front entry with higher back and side walls. That gives me the best balance between containment and accessibility.
Material and Durability
I prefer a litter box made from sturdy, non-porous plastic because it is easier to clean and less likely to absorb odors. A thick, durable material also matters to me because large cats can put more pressure on the box. If the sides feel flimsy, I worry they will crack or warp over time.
Ease of Cleaning
Cleaning is a big factor in my decision. I look for smooth interior surfaces and rounded corners because they make scooping and washing much easier. Since an extra large box can be heavier when full, I also appreciate a design that is easy to lift and empty without making a mess.
Odor Control Features
I have found that some boxes handle odors better than others. While the box itself does not eliminate smell, a larger size and deeper design can help reduce overflow and keep waste contained. If the model has a cover, carbon filter, or odor-reducing design, I consider that a bonus, but I still focus most on regular cleaning.
Open vs. Covered Design
I usually think carefully about whether I want an open or covered litter box. Open boxes are easier for my cat to access and make cleaning simpler for me. Covered boxes offer more privacy and can help contain mess, but they may trap odor if not cleaned often. For cats that dislike enclosed spaces, I tend to choose open extra large boxes with high sides instead.
Best Choice for Multiple Cats
If I have more than one cat, I know I need a bigger and more durable litter box. An extra large litter box with high sides can work well in multi-cat homes, especially when placed in a quiet, easy-to-reach location. I also make sure to have enough boxes overall, since one large box does not always replace the need for multiple litter stations.
My Final Buying Tips
Before I buy, I always compare dimensions, side height, material quality, and cleaning convenience. I also think about my cat’s age, size, and habits. In my experience, the best extra large litter box with high sides is one that keeps mess contained while still being comfortable and easy for my cat to use every day.
Final Thoughts
I’ve found that an extra large litter box with high sides can make a big difference in keeping my cat comfortable and my home cleaner. It gives my cat plenty of room to move around while helping contain litter scatter and messes. For me, the best choice is one that balances size, durability, and easy cleaning. Overall, it’s a simple upgrade that can make daily litter box care much easier.
Author Profile
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Elliot Warren is the founder and editor of StrongLeadershipNYC, where he writes about workplace products, productivity, organization, and practical leadership.
Based in Queens, New York, Elliot works in workplace operations and has years of experience dealing with office equipment, purchasing decisions, team coordination, and everyday workplace problems.
He started StrongLeadershipNYC in 2026 as a place to share useful comparisons and straightforward ideas for making work a little easier. Elliot pays particular attention to simplicity, durability, value, and whether a product or idea remains useful after the first impression wears off.
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