Large self-cleaning ScoopFree litter tray for clumping litter, with high walls to protect against soiling. It eliminates the need for daily scooping and is easy to clean thanks to the removable metal rake. This automatically combs through the clumping litter and binds waste and odours, eliminating the need for contact with cat faeces. The collection container must be emptied approximately once a week and the litter refilled regularly. Suitable for one or more cats. Compatible with silica litter.