Complete, covered litter box system separates the waste from the litter automatically for easier cleaning. This box has a revolutionary litter-separating grill that works with clumping litter so clean-up is as easy as rolling the box back and forth-eliminates the need for scoopers, filters, or pan liners. Available in two sizes; the regular is ideal for single cat household and the large is great for large cats or multiple cat households. Works only with clumping litter. Features: Pull Out Tray to Seperate Clumps from Litter Includes: Hooded Litter Box Dimensions: 17"L x 20"W x 18"H Color: Beige Material: Plastic Size: 17"L x 20"W x 18"H. Color: Beige.