Ideal bedding (available in larger size) for two or three cats, this litter is the right size. The charcoal filter removes odors above the plastic door does not get caught and do not let the smell out. The top of the litter with the swinging door pulls back which allows cleaning without opening the entire lid. The underside of the tray is easily blocked with two clips that pulls the tray is also higher on the back which avoids having urine everywhere. Good capacity and solid, good product at a reasonable price for the lifetime.