Pack of three disposable litter trays. Compatible with any ScoopFree Litter Box. Premium Blue Crystal Litter reduces odour 5 times better than clay and clumping litter. Disposable tray for hands-off convenience. Covered waste trap locks in odour and leaves litter box smelling clean and fresh. Uses 5-10x less litter than clay or clumping litter. Low-tracking crystals dont stick to your cats feet. 99% dust free. Plastic tray lining creates a powerful extra barrier to help protect against leaks. Absorbs urine on contact and dries solid waste to reduce odour. Each tray weighs only 3 kg (including 2 kg of litter). Conveniently stack and store trays.