Cat Door Frame Insert for Litter Box or Outside Access OpeningPaws Through the Doorway Many cat homes place litter boxes behind closed doors to keep shared spaces organized. This cat door frame creates a fixed opening so cats can pass through doors to reach litter areas or other rooms. The cat shaped frame design adds a playful detail while the doorway opening stays ready for everyday movement around the home. With A Cute Cat Details The door insert is made from molded plastic. The pass through opening measures