Strike scooping the litter box off your to-do list. With the ScoopFree Complete Self-Cleaning Litter Box, there's no scooping, cleaning or refilling your cat's litter box for weeks. This litter box uses crystal litter which provides 5 times better odor control than traditional clumping litter. Crystal litter absorbs urine and dehydrates solid waste. This low-tracking litter also helps keep your floors clean because it is 99% dust free and doesn't stick to your cat's paws. Safety sensors make sure that the scooping cycle only occurs when your cat is out of the box. The disposable trays have a plastic lining to help protect against leaking, and each tray comes with a lid for quick and easy disposalsimply remove the tray and throw it away. PetSafe brand is here to help you and your pet live happy together.