IRIS USA 553321 Top-Entry Cat Litter Box

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Product guide

IRIS USA 553321 Top-Entry Cat Litter Box

IRIS USA 553321 is a covered, top-entry cat litter box with a grooved lid intended to catch loose litter as cats exit. Its removable lid provides access for scooping, while the top opening and enclosed design may not suit every cat.

At a glance

Top-entry design and high walls are intended to help contain scattered litter and limit access by dogs or curious pets.
Grooved lid is described as catching litter from paws, and the removable top allows access for scooping and cleaning.
Smooth interior surfaces are claimed to make cleaning easier.

Price

$29.91Save 23%

Reference price: ~~$38.99~~

Price checked: Nov 14, 2026

View offer

Often bought together

30 Pack Litter Box Liners Fit for IRIS Top Entry Cat Litter Box | Durable Thickened and Scratch-Resistant, Liners for Most Top Entry Litter Pan Models

$22.99

Pros and cons

Pros

Grooved lid and high walls offer practical features for containing litter around the box.
Removable lid gives access for scooping without needing to reach through the top entry.
Customer feedback highlights ease of cleaning and litter containment.

Technical specifications

11 specifications

Identity
Brand	IRIS USA
Model	553321
Style	Top Entry
Type	Covered Litter Box
Pet type	Cat

Dimensions and installation
Dimensions listed	20.75"L x 16.12"W x 14.62"H
Weight listed	4.6 pounds

Materials and color
Material listed	Plastic
Color listed	Navy

Design and care
Entry opening	9"W x 10.5"H
Additional features	Top Entry Design, High Walls to Contain Litter Scatter, Grooved Lid to Remove Litter Particles, Included Scoop

What to know before buying

Listing details to confirm

The listing gives conflicting dimension formats: 20.75"L x 16.12"W x 14.62"H and 20.75 x 16.12 x 14.62 inches; 4.6 pounds. Confirm the intended dimensions before purchase. Customer feedback also reports mixed lid performance, including some reports that it does not stay on properly. The top-entry layout may not be suitable for every cat.

What’s in the box

Included

Cat litter box
Lid
Scoop

Who is it for?

A good fit for

Cat owners looking for an enclosed, top-entry box with a grooved litter-catching lid.
Households seeking a design that may help keep dogs or curious pets away from litter.

Less suited to

Cats that cannot comfortably use a top entry or need a low-entry opening.

IRIS USA 553321 Top-Entry Cat Litter Box · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 34,030 ratings

5 stars77%77%
4 stars13%13%
3 stars5%5%
2 stars2%2%
1 star3%3%

Customer feedback highlights litter containment, appearance, ease of cleaning, odor control and cats taking to the box quickly. Some feedback is mixed on whether the lid stays in place. For buyers wanting a top-entry design, these reports make day-to-day handling and lid fit worth considering alongside the listed removable lid and grooved top. Ratings are mostly five-star, but aggregate scores do not explain individual experiences.

Positive themes

Customers report effective litter containment and appreciate the appearance.
Customers praise ease of cleaning, odor control and ease of use.
The feedback summary says cats take to the box quickly.

Mixed feedback

Lid functionality receives mixed feedback, including reports that it does not stay on properly.

Frequently asked questions

Does the box have a top entry?

Yes. The listing identifies the style as top entry and gives the opening as 9"W x 10.5"H.

What components are listed as included?

The supplied component list names the cat litter box, lid and scoop.

Are the listed dimensions consistent?

No. The listing provides two dimension formats, one with length, width and height labels and another without those labels. Confirm the intended measurements before buying.

What do customers report about the lid?

Feedback on lid functionality is mixed. Some customers say it does not stay on properly, while the summary also describes the top as easy to remove for cleaning.