Keep your kitty happy and your floor clean with the IRIS Top Entry Cat Litter Box & Scoop. Your feline friend will love all the space that the top access offers—it gives her more room to move around without making a mess. The grooves on the lid work as a built-in mat, preventing litter from scattering when your paw-tner leaves the litter box; the lid weight capacity is 20 pounds. The rounded shape and the included litter scoop allow for quick, hassle-free cleaning! Plus, the litter liner is not required for use. The approximate inside dimensions are 20 x 15.5 x 14 inches.