The ScoopFree disposable litter tray ensures that you only need to clean your self-cleaning ScoopFree cat litter boxes every few weeks. With disposable litter trays, you won't have to see, touch, or smell unpleasant messes. Simply replace the disposable litter tray every few weeks, and your ScoopFree cat litter box will be like new. Each tray comes pre-filled with premium silica cat litter, providing unbeatable odor control that is five times more effective than regular clay and clumping litter types. The non-stick, odor-reducing silica cat litter keeps your home clean and fresh-smelling.