Best High Sided Stainless Steel Litter Box: The Idymere Listing Checked

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The best high sided stainless steel litter box, for the listing this post covers, is the Idymere open-top pan. Its listing gives outside measurements of 16.93 by 12.99 by 5.12 inches, raised sides meant to hold scatter, and a smooth stainless steel surface. This post covers that one listing only. It does not give the height of the raised sides, a weight limit or a lid, and the only source for this post is the listing itself.

Quick answer

• The listing describes an open-top stainless steel pan with raised sides, sold as one unit.
• The outside size is 16.93 by 12.99 by 5.12 inches. The title, the specifications and the bullets agree on it.
• The 5.12 inch figure is the outside height of the pan. The listing does not give the height of the raised sides alone.
• The listing gives an item weight of 1.8 pounds. It does not give a weight limit.

What the listing describes

The listing is built on three features: raised sides, a stainless steel body and a smooth surface. The raised sides are described as containing litter scatter, which the listing ties to energetic cats and cats that kick litter. It also says the high sides keep urine and feces from clinging to the walls. Those are the maker’s words, and the listing does not describe a test behind them.

The stainless steel body is described as resistant to corrosion, wear and rust, and as non-porous, so that dirt and smells do not sit in scratches. The bullets also say the surface is non-stick, so litter and debris slide to the bottom of the pan for quick cleaning. The listing says the pan dries fast. Those lines describe cleaning, and they are the only cleaning claims the listing makes.

The edges are described as smooth and rounded, which the listing says makes the pan easier to lift. The specifications list the style as an open-top, high sides rectangular stainless steel litter box, with the pet type as cat and the target species as cat, medium cat and multiple small cats. The bullets also say the pan suits rabbits, ferrets and snakes, and that it can serve as a bathing tub or a storage container. This post covers cats only. The listing gives no figure for the other uses. For a box with a built-in step, see litter box with steps.

One bullet is headed “Large Capacity”, and another is headed “Versatile Use & Multiple Sizes”. The first says the pan offers ample space for a cat to do its business, but the listing gives no volume in quarts or litter weight in pounds. The second says several sizes are available and that the pan fits a home without taking much space. The specifications show one size. Read both headings as the maker’s wording, since the listing does not give the numbers that would test them.

Table 1 sets out each feature and what the listing does and does not say about it.

Feature	What the listing says	What it does not say
Raised sides	Contain scatter; keep urine and feces from clinging	Height of the raised sides in inches
Surface	Smooth, non-stick, non-porous stainless steel	Gauge of the metal, or any test of the coating
Edges	Smooth and rounded, easy to lift	Handle design or grip shape
Weight	Item weight 1.8 pounds	Weight limit or load rating
Target	Cat, medium cat, multiple small cats	Maximum weight of a cat
Other uses	Bathing tub or storage container	Any figure or test for those uses

The table shows the main gap. The listing gives one outside height and one item weight, but no figure for the raised sides themselves. That is the number most buyers need when they judge whether a cat will step over the wall.

For where the pan should sit, see where to put a litter box. If you want the same high-wall idea in a different shape, the top entry litter pan post covers a different design.

The size figures, worked out

The outside size is the one figure the listing states in three places. Table 2 applies one formula to it, which is footprint equals length times width.

Measure	Listing figure (inches)	Working
Length	16.93	Stated in title, specifications and bullets
Width	12.99	Stated in title, specifications and bullets
Footprint	219.92 square inches	16.93 times 12.99 = 219.92
Height	5.12	Outside height; wall thickness not stated
Height to length	0.30	5.12 divided by 16.93 = 0.30

The footprint of about 220 square inches is the floor space the pan takes. The height to length ratio of 0.30 says the pan is low compared with its length, which is what the listing means by a shallow, open design. Those ratios come only from the outside figures, so they do not tell you the inside depth of the litter well.

The inside depth is smaller than the outside height by the thickness of the base and walls. The listing does not state that thickness, so the litter depth you can use is unknown. Measure the depth you plan to fill, and do not assume it equals the 5.12 inches.

How we chose

The keyword asks for a high sided stainless steel litter box. The Idymere listing names “High Sided” in its title and gives a high sides feature in its specifications, so it is the closest match to the words of the search. That is why it is the subject of this post.

The research file for this keyword holds five other listings: a Kirecoo large high-sided stainless box with a non-stick finish, a KISENG medium high-sided box, a KISENG XL high-sided box in light grey, a OneBug XL high-sided box, and a OneBug medium high-sided box with a scoop. They are not the subject of this post, so their bullets and specifications are not used here.

The research record was read on 2026-10-22. For this post we used the title, the bullets and the specifications table of the Idymere listing. Price, rating and review count are not in this post.

What we could not verify

• The listing does not state the height of the raised sides. It gives only the outside height of 5.12 inches.
• The listing gives no weight limit or load rating. The 1.8 pounds is the weight of the pan itself.
• The bullets say the surface is non-stick and dries fast. The only source for this post is the listing, so these lines are the maker’s claims.
• The bullets say several sizes are available, but the specifications table gives one size only. The listing does not show the other sizes on this page.
• The bullets name elderly cats and kittens as suitable. The listing gives no minimum or maximum weight, so it cannot say which cat will use the pan comfortably.
• The bathing tub and storage uses are stated by the listing, and no figure supports either one.

Buying checklist

• Measure the floor for a footprint of about 16.93 by 12.99 inches, and leave room for the cat to turn and for you to reach the pan.
• Check the raised sides against your cat’s habits. The listing says the sides help with kicking and high urination, but it gives no wall height, so measure the walls of the box you currently use to compare.
• Plan the depth. The listing gives no inside depth, so decide how deep your litter will sit before you buy. For cleaning routines, see the way to clean a litter box.
• Note the item weight of 1.8 pounds if you carry the pan to a sink or a bathtub for cleaning.
• Confirm the size on the page you buy from. The bullets mention several sizes, and this post covers only the one whose figures are listed above.
• Read the return and warranty terms on the day you buy, since this post does not cover them.

Mistakes to avoid

• Reading the 5.12 inch figure as the wall height. It is the outside height of the whole pan, so the walls are lower than that figure.
• Treating the item weight as a load limit. The 1.8 pounds is what the pan weighs, not what it can hold.
• Assuming the non-stick claim means a cleaning routine is unnecessary. The listing says litter slides to the bottom for quick cleaning, which still needs regular emptying.
• Buying for a large cat without checking the footprint. The listing names medium cats and multiple small cats, and it does not name a size limit for large cats.
• Reading “Large Capacity” as a volume figure. The heading is the maker’s wording, and the listing gives no volume in quarts or pounds of litter, so compare it with your own litter depth instead.
• Using the pan for other pets because the bullets list them. This post covers cats, and the listing gives no figures for rabbits, ferrets or snakes.

FAQ

Does the listing give the height of the raised sides?

No. It gives one outside height of 5.12 inches for the whole pan. The height of the walls alone is not stated, so the listing does not say how high a cat must step to clear the wall.

Can this box hold a large cat?

The listing names cats, medium cats and multiple small cats as the target. It does not name large cats or give a weight range, so this post does not say the pan suits a large cat. For boxes sized for bigger cats, see best cat box for multiple cats, which covers the space question from a different angle.

Does the box come with a scoop or a lid?

The title, the specifications and the bullets name no scoop and no lid. The listing does not say whether either is sold with the pan or as an extra.

Can the pan go in a dishwasher?

The listing does not say whether the pan can go in a dishwasher. Its cleaning claims are about the smooth surface and about litter sliding to the bottom.

Does the listing say the box reduces odor?

The listing highlights reduced odor and says the open design supports air circulation. Those are the maker’s statements, and this post does not confirm them. For odor-focused choices, see best cat litter box for odor control.

Is this pan suitable for a kitten?

The bullets name kittens among the suitable cats, and the title describes a high-sided design. The listing gives no minimum size or weight. For kitten-specific choices, see best litter box for kittens.

Bottom line

The Idymere high sided stainless steel litter box is a plain open-top pan with raised sides, a smooth surface and an outside size of 16.93 by 12.99 by 5.12 inches. Before you buy, measure the depth you plan to fill, since the listing does not give the inside depth or the wall height. Use the item weight for handling, not as a load figure. For the litter itself, see types of cat litter and scoopable cat litter.

Sources

• https://www.amazon.com/dp/B0G52865FN