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Product guide

IRIS USA 589628 Top-Entry Cat Litter Box, Large

IRIS USA 589628 is a large, covered top-entry litter box with a textured lid intended to catch loose litter as cats exit. Its enclosed layout may suit homes seeking added privacy and a barrier to curious dogs, but top access is a poor fit for cats that will not use it.

At a glance

  • Top entry and an enclosed body provide a more private litter area.
  • Textured lid is designed to catch loose litter from paws and direct it back into the box.
  • Manufacturer describes the elevated entry as a way to make dog access more difficult, not an absolute barrier.
  • Rounded body and lid hook are described as supporting access for cleaning. The box also has a molded hook for the included scoop.
Price
$25.19Save 10%

Reference price: $27.99

Price checked: Nov 13, 2026

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Often bought together

Pros and cons

Pros

  • Top-entry design and textured lid offer a practical approach to limiting tracked litter.
  • A scoop is included and can be hung on the body for storage.
  • Customer feedback reports easy cleaning and use for multiple cats.

Cons

  • Cats that avoid top-entry boxes may not use this design.

Technical specifications

8 specifications
Identity
BrandIRIS USA
Model589628
TypeCovered Litter Box
Pet typeCat
SizeLarge (Pack of 1)
Dimensions and installation
Weight listed2.8 pounds
StyleOval
Materials and protection
Material listedPlastic

What to know before buying

Listing details to confirm

The listing gives conflicting dimension formats: 20.5"L x 14.75"W x 14.38"H and 20.5 x 14.75 x 14.38 inches; 2.78 pounds. The separately listed weight is 2.8 pounds, so confirm dimensions and weight for the selected listing before purchase.

What’s in the box

Included
  • Cat litter container
  • Cat litter scoop
  • Lid

Who is it for?

A good fit for

  • Households looking for a covered, top-entry box with a litter-catching lid.
  • Multi-cat homes where cats are comfortable climbing into a shared litter box.
  • Homes with dogs where a harder-to-reach litter area is useful, while recognizing the listing does not guarantee dog exclusion.

Less suited to

  • Cats unwilling or unable to use a top-entry litter box.
  • Buyers who need confirmed interior measurements before deciding whether the box will fit their cat.
IRIS USA 589628 Top-Entry Cat Litter Box, Large · photo 2
Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 5,569 ratings
  • 5 stars80%80%
  • 4 stars11%11%
  • 3 stars5%5%
  • 2 stars2%2%
  • 1 star2%2%

Customer feedback highlights reported ease of use, cleaning and litter containment, with some customers saying cats adapt quickly and the box works in multi-cat homes. Others report that their cats will not use it, so top-entry acceptance is a meaningful fit question. Ratings skew strongly positive overall, but ratings alone do not explain individual experiences or establish how well it will suit a particular cat.

Positive themes

  • Customers report that it is easy to use and clean.
  • Customers describe effective litter containment and use in multi-cat homes.

Negative themes

  • Some customers report that their cats will not use the box.

Mixed feedback

  • Reports about pet compatibility vary. Some find it keeps dogs away, while others say their cats reject the top-entry design.

Frequently asked questions

Does this litter box include a scoop?

Yes. The listed components include a cat litter container, scoop and lid, and the product details identify the color as “Black w/ Scoop.”

How large is the box?

The listing calls it Large, but dimension formats conflict. It gives 20.5"L x 14.75"W x 14.38"H in one place and 20.5 x 14.75 x 14.38 inches; 2.78 pounds in another. Confirm the dimensions before buying.

Will it keep dogs out of the litter?

The elevated top-entry design is described as making access difficult for dogs. That is a claimed deterrent, not a guarantee.

Will every cat use a top-entry box?

No. Customer feedback is mixed on cat acceptance, with some reports that cats will not use it. Consider your cat’s comfort with climbing into the box.

IRIS USA 589628 Top-Entry Cat Litter Box, Large · photo 3
Additional product photo 3

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