XXXL Extra Large Size The size of this stainless steel litter box is 28.5" x 20.5" x 14 ", which is much larger than the size of a regular litter box. It is more suitable for large cats, fat cats, and multiple cats to try out, reducing the hassle of cleaning and occupying more space caused by multiple litter boxes. 14" High Wall Ultimate Leak Proof The 14 inch super high wall can effectively prevent urine leakage and litter flying out. Even if your beloved cat likes high urine, there is no need to worry. Your beloved cat will try it out very well. 28.5" x 20.5" Activity Space The area of 28.5 "x20.5" can provide a larger activity space, allowing large and chubby cats to easily turn around, making your beloved cat more happy and fall in love with using the toilet, reducing the troubles caused to cats during the trial of small litter boxes.