-SIZE --- Length x Width x Height: 9.5x7.5x1.5” (24x19x4cm), the grate to bottom is 0.39in(1cm) depth, made of the durable PP plastic. Suitable for guinea pigs, rats, chinchillas, critters. -KEEPS PAWS DRY --- The grate will allow pee to flow directly below your pets feet into the pee pad or the tray underneath keeping your pets feet dry and clean. Compare to other most guinea pig litter box, the grate of this tray is with holes in the corner, the urine and feces will all go through and not stay on top. -EASY TO USE --- The small animal litter box is consist of two parts, the grate and the pan, very easy for everyday clean. Groove handle design also easy to hold in one hand. -SAVE SPACE --- It can just put on the bottom of the cage, or put it on the floor, won't use a lot of space. You can also hang the hay feeder and water bottle next to it. -POTTY TRAINER --- Potty train your small animal, makes the cage easier to keep clean.