Litter box · IRIS USA

IRIS USA XX-Large High-Sided Litter Box 588433

A huge open high-sided box

Updated October 2026

Quick verdict

The big open box.

Strength
30 x 20 in.
Trade-off
Footprint.
Right buyer
Maine Coons and giant cats.
Dimensions (seller)
30"L x 20"W x 14"H
Product weight
4.3 pounds
Prices change often; the button shows today's price.

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Why it matters

IRIS's XX-Large is 30 x 20 in with 14 in high sides, made for large breeds like Maine Coons, Ragdolls and Savannahs. It's open on top, unlike IRIS's side-entry box.

Check your floor space.

Who it's for, and who should skip it

Good fit if

  • Giant breeds
  • Multi-cat homes
  • Hood-averse cats

Look elsewhere if

  • Cats that need a self-cleaning box
  • Kittens with high entries
  • Very large cats in small boxes

Pros and cons

Pros

  • 30 x 20 in
  • High sides
  • Open top

Cons

  • Footprint
  • More litter
  • Plastic

Limitations to weigh

  • Keep one box per cat plus one, in quiet spots away from food.
  • Aim for a box about 1.5 times your cat's length.
  • Switch boxes gradually: put the new box beside the old one for a week.

Specifications

Every figure below comes from the source shown in brackets. Where the maker doesn't state something, we say so instead of estimating.

MaterialPlasticRetailer
Dimensions (seller)30"L x 20"W x 14"HRetailer
Product weight4.3 poundsRetailer
In the pack1 CountRetailer
Features (seller)BreathableRetailer
In the boxCat Litter ContainerRetailer
Model number588433Retailer
WarrantyNo WarrantyRetailer

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Final verdict

An open box big enough for any breed.

Where to buy

Our links open this exact model's product page. Prices and stock change; check what's included before you order.

Prices change often; the button shows today's price.

Each button opens this exact model. We may earn a commission on tracked links; it never changes what we publish. Disclosure

Questions buyers ask

How big?
30 x 20 x 14 in.
Is it covered?
No, open top.