The PetSafe® 4-Way Locking Big Cat Door is designed for large cats up to 11 kilograms. Moulded in durable plastic, it features a rigid, see-through plastic flap and magnetic weather seal. Use the 4-Way locking system to control the level of access you want your cat to have. Your pet deserves the best. Trust PetSafe® to help keep your pet healthy, safe and happy.