The ScoopFree disposable litter tray is the reason you can leave ScoopFree self-cleaning litter boxes alone for weeks at a time. With disposable trays, you don't have to see, touch or smell messy waste. Simply replace the disposable tray every few weeks and your ScoopFree litter box is just like new. Each tray is pre-filled with Premium Blue Crystals litter for unbeatable odour control that's 5 times more effective than regular clay and clumping litters. Low-tracking and odour-reducing crystal litter keeps your home litter-free and smelling great. Key Features 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 don't 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 & store trays Features 3 Pack Compatible with any ScoopFree Litter Box Litter Tray Replacement Number of Cats Average Litter Tray Life 1 20-30 days 2 10-15 days 3 7-10 days 4+ 7 days