The complete guide
How to Choose a Stainless Steel Litter Box That Actually Stays Clean
The problem with the tray you already own
Most people replace their cat's litter tray far more often than they expected to. Not because it breaks, but because it starts to smell and never stops. You scrub it, you leave it in the sun, you try a different litter, and the smell is still there within a day.
The reason is simple. Plastic is soft. Every time your cat digs, claws leave microscopic scratches in the surface. Urine seeps into those scratches, bacteria settle in, and no detergent reaches that deep. After six months the tray itself is the odour source, not the litter in it.
A stainless steel litter box removes that problem at the root. The metal is hard enough that claws do not score it, and the surface is non-porous, so there is nothing for waste to soak into. Wash it, dry it, and it is genuinely clean rather than just freshly scrubbed.
How a metal tray behaves day to day
The first thing most people notice is scooping. On a scratched plastic tray, clumps weld themselves to the bottom and you end up chipping at them. On smooth steel, clumps tend to lift away in one piece. It sounds like a small thing. It is a small thing you do every single day, so it adds up.
The second thing is the weekly empty. With this tray you tip out the old litter, run warm water and a bit of dish soap over it, rinse, dry with a cloth and refill. Two minutes. There is no soaking, no scrubbing with a brush, no lingering smell under the lemon scent of the cleaner.
The third thing is longevity. Plastic goes brittle, cracks at stress points and stains permanently. Stainless steel does not. A good metal tray is the kind of thing you buy once and still have years later, which is part of why the best stainless steel litter box options cost more upfront and less over time.
Sizing it properly
This tray comes in three sizes: 36 x 27 x 10 cm, 40 x 30 x 10 cm and 50 x 35 x 20 cm. Each suits a specific range of cats.
The general rule is that a litter tray should be about one and a half times your cat's body length, measured nose to the base of the tail. For a kitten, a small adult or a typical medium cat around 3 to 4.5 kg, 36 or 40 cm of length gives enough room to turn around and dig comfortably. For a large breed, a long-bodied cat or anything much over 5 kg, pick the 50 x 35 cm tray.
Height matters too, in both directions. The 10 cm sides on the two smaller trays are tall enough to catch most of what a cat kicks backwards when covering, which is the main complaint with shallow trays. They are also low enough that a kitten can climb in and an older cat with stiff hips can step over without strain. The large tray's 20 cm sides are for the determined digger. If you have a senior cat, watch how they get in during the first week and add a low mat at the entry side if they hesitate.
Open versus covered
This tray is uncovered. For plenty of cats that is the deciding factor.
Cats are prey animals as well as predators, and many of them strongly dislike enclosed spaces where they cannot see what is coming. A hooded box can feel like a trap. It also concentrates odour inside, which is pleasant for you and unpleasant for the cat who has to stand in it. Cats who stop using their box sometimes start again the moment the lid comes off.
An open tray also makes it easy to glance at the contents. That sounds unglamorous, but a change in what you see there is often the first sign that a cat needs a vet. If you can see it without opening anything, you notice sooner.
The trade-off is visual. A covered box hides the litter. If the tray lives somewhere you entertain, put it in a corner, behind a door or inside a cabinet with the door removed. The plain modern finish of a metal tray is less obtrusive than most coloured plastic anyway.
Getting the setup right
Placement does more for litter box success than any product feature. Put the tray somewhere quiet with a clear line of sight and an obvious exit. Avoid dead-end corners, avoid spots next to a noisy washing machine, and keep it well away from food and water bowls. Cats will not toilet where they eat.
If you have more than one cat, the standard advice is one tray per cat plus one extra, spread across different rooms. Lining several trays up in a row does not count as separate locations to a cat who is being guarded by another cat in the household.
Fill depth is the other adjustable. Around 4 to 5 cm works for most cats. That leaves plenty of clearance inside the sides while still giving enough material to dig and bury. Cats who dig hard may do better with slightly more, cats who barely scratch can get by with less.
The four silicone pads included with this tray are worth fitting before first use. They stop the tray skating across tiles when a cat launches out of it, and they take the hard edge off the sound of metal on a hard floor. If the litter box sits near a bedroom, that second benefit matters more than you would think.
Keeping it clean without wrecking the finish
Scoop daily. That one habit does more for odour than any tray material.
For the weekly clean, warm water and mild dish soap is all you need. Rinse properly and dry the tray with a cloth rather than leaving it to air dry with water pooled in the base. If you want to disinfect occasionally, use a pet-safe product and rinse until no scent remains. Cats have far sharper noses than we do and a chemical-smelling tray is a tray they may avoid.
What to skip: steel wool, gritty scouring powder and anything described as a heavy-duty abrasive. The value of a metal tray is its smooth surface, and aggressive scrubbing is the one thing that can dull it. You do not need it anyway, because nothing is baked on.
The silicone pads wipe clean with soapy water. Pop them off every few weeks if litter dust gathers underneath.
Switching your cat over
Cats dislike sudden change, and the litter box is one of the places they are most particular. The reliable method is to set the new tray up beside the old one, fill it with exactly the same litter your cat already uses, and leave both available. Most cats investigate within a day or two.
Once your cat is using the new tray by preference for a week or so, remove the old one. Do not change the litter type at the same time as the tray. One variable at a time.
If your cat hesitates, check the basics before worrying. Is the location quiet? Is the litter depth similar to before? Is the tray clean? Nine times out of ten the answer is one of those three.
Beyond the litter box
The shallow metal pan shape is useful for more than cats. Rabbits, guinea pigs and ferrets all take to a corner toilet tray, and metal has a clear advantage with chewers since there is nothing to gnaw through. The same tray also works as a small wash basin for grooming or a tidy container for brushes, bags and spare litter.
That flexibility is worth noting if you are unsure about size. If your cat outgrows it, the tray still has a job.
The short version
If your plastic litter tray smells no matter what you do, the tray is the problem and a new plastic one will do the same thing in six months. Stainless steel does not absorb odour, resists scratches and cleans in a couple of minutes.
This tray comes in 36 x 27 x 10 cm, 40 x 30 x 10 cm and 50 x 35 x 20 cm, open topped, from 0.53 kg to 1.38 kg. The smaller sizes suit kittens, small cats and medium adults, plus rabbits and guinea pigs; the 50 x 35 x 20 cm tray is the one for a large breed cat.
Fit the silicone pads, give it a quiet corner, keep 4 to 5 cm of litter in it and scoop daily. Do that and you will spend less time cleaning and a lot less time apologising for the smell.