Silicone Cat Litter Mat for litter box 24" X 15"-Easy to Clean Cat Litter Trapping Mat, Waterproof, urine-proof and non-slip to keep the floor clean and tidy（Gray）. EXTRA THICK SILICONE LITTER MAT: Our cat litter mat is made of high quality silicone material, which is non-slip and sturdy.
eBay