Best Large Cat Boxes With High Sides for Cleaner Floors
The best large cat box with high sides combines enough room for a cat to turn with walls that help contain kicked litter and splashes. The IRIS USA XX-Large is the roomiest listed option, while the Amazon Basics box offers a compact footprint and a lowered entry. The stainless steel OneBug model suits buyers prioritizing a non-plastic surface, and SpaceTime’s extra-large pan pairs tall sides with low access. Compare the dimensions and entry style with your cat’s needs before choosing.
| Product | Best suited for | Key detail |
|---|---|---|
| Amazon Basics Large | Large or older cats needing easier entry | 19 x 15 x 11.75 inches |
| IRIS USA XX-Large | Extra-large cats and multi-cat homes | 30 x 20 x 14 inches |
| OneBug Stainless Steel XL | Buyers preferring stainless steel | 10.04-inch walls |
| SpaceTime Extra Large | Cats needing low entry and tall sides | Up to 13.98 inches high |
| SpaceTime Large | Buyers seeking a high-sided pan with low entry | Dimensions not provided |
Amazon Basics Large High-Sided Cat Litter Box
This open-top box measures 19 by 15 by 11.75 inches. Its high sides are designed to help contain litter, while the lowered front makes entry and exit easier than a uniformly high rim. The listed package includes a scoop with storage.
Best for: Buyers looking for a straightforward, smaller-footprint box for a large or older cat that benefits from a lower entrance. It was selected for its combination of high sides and accessible front.
Consider: Its listed dimensions are more compact than the IRIS USA and SpaceTime extra-large options, so check that your cat has room to turn comfortably. The product is made from BPA-free, recyclable plastic.
IRIS USA XX-Large Side-Entry Cat Litter Box
At 30 inches long, 20 inches wide, and 14 inches high, this is the largest listed option by footprint. IRIS USA describes it as suitable for large and extra-large breeds, including Maine Coons, Ragdolls, and Savannahs, and says it provides room to turn, dig, and stretch. High walls are intended to reduce litter scatter and spills.
Best for: Extra-large cats or households that need a roomy pan. Choose this if interior space matters more than a compact footprint.
Consider: The 14-inch height and large overall size may not suit a cat that has difficulty stepping into a tall-sided box. Its smooth interior and minimal crevices are described as making wipe-down cleaning easier.
OneBug High-Sided Stainless Steel XL Litter Box
This stainless steel pan measures 22.95 by 14.80 by 10.04 inches. The listing describes its walls as helping limit litter scatter and urine spills, and it includes a built-in anti-tracking step. The smooth, non-stick surface is described as resistant to odors and stains and designed to make litter easier to remove.
Best for: Buyers who want a stainless steel litter pan with high sides and a step intended to reduce tracking. Its dimensions offer a middle ground between the compact Amazon Basics box and the extra-wide IRIS USA model.
Consider: Its 10.04-inch walls are lower than the 13.98-inch maximum offered by the SpaceTime extra-large model. The listing does not provide a low-entry measurement, so check the entry arrangement if your cat has mobility needs.
SpaceTime Extra-Large High-Sided Litter Box
This extra-large plastic pan measures 22.64 by 14.76 by 13.98 inches. The listing describes two side-height options, 8.66 or 13.98 inches, along with a low entrance. Its smooth, seamless interior and wide opening are intended to make cleaning easier.
Best for: Cats that need a lower way in but still benefit from tall walls around much of the pan. It combines a low-entry design with an option for substantially higher sides.
Consider: Confirm which side-height configuration is offered for the version you select. The taller configuration may be less convenient for cats that need to step over high walls, despite the low entrance.
SpaceTime Large High-Sided Cat Litter Box
The listing names this model as a large, high-sided litter box with a low entry and an easy-to-clean design. It is positioned as an indoor cat pan with an anti-splashing feature. The supplied product information does not state its dimensions, material, or specific wall height.
Best for: Buyers who want the named combination of high sides and low entry and are comparing options within the SpaceTime range.
Consider: Because dimensions and detailed feature specifications were not provided, confirm the measurements and entry layout before choosing it for a particularly large cat or a cat with limited mobility.
Buying Guide: Choosing a Large High-Sided Cat Box
How much space does your cat need?
Compare the box’s length and width with your cat’s body and usual digging or turning movements. The IRIS USA model has the largest stated footprint at 30 by 20 inches. The OneBug and SpaceTime extra-large pans are narrower, while the Amazon Basics model has the smallest listed footprint. A roomy interior can matter as much as wall height, especially for large breeds.
How high should the sides be?
Higher walls can help contain litter and splashes, but a tall rim can make entry harder. The SpaceTime extra-large listing gives an 8.66- or 13.98-inch side-height option, while the Amazon Basics box has a lowered front and the SpaceTime models are described as having low entry. Match wall height to your cat’s jumping and stepping ability.
Which material and cleaning features matter?
Plastic options include Amazon Basics and SpaceTime. Amazon Basics specifies BPA-free, recyclable plastic; SpaceTime describes a smooth, seamless interior. OneBug uses stainless steel and lists a smooth, non-stick surface. Compare the listed cleaning features with your preferred routine, and check that the pan’s shape and opening allow you to scoop comfortably.
What should multi-cat households compare?
Consider both the cats’ size and the available floor space. IRIS USA specifically identifies multi-cat households among its intended uses, and OneBug describes its pan as suitable for multi-cat homes. Those descriptions do not replace checking the dimensions: make sure the box provides adequate usable room and fits where it will be placed.
Frequently Asked Questions
Do high-sided litter boxes stop all litter scatter?
No. High sides are designed to help contain litter and splashes, but the listed features do not guarantee a mess-free floor. Your cat’s digging habits and the box’s entry design can affect scatter.
Which listed box has the largest stated footprint?
The IRIS USA XX-Large measures 30 inches long by 20 inches wide. It is the largest by stated length and width among these five products.
Which option has a lower entry?
The Amazon Basics box has a lowered front. Both SpaceTime listings describe a low entry, although the Large model’s dimensions and detailed entry measurements were not supplied.
Is stainless steel the only non-plastic option listed?
Yes. OneBug identifies its litter box as stainless steel; the Amazon Basics and SpaceTime listings identify plastic designs.
What should I measure before buying?
Measure your cat’s available placement area and compare it with the box’s length, width, and height. Also consider whether your cat can comfortably step over the entrance and turn inside the pan.