Staywell PetSafe, Aluminium Pet Door, Solid Design, Easy Install, For Pets Up To 7 kg - (Small),WhiteSOLID ALUMINIUM FRAME: Designed to withstand wear and tear, the strong metal frame with its reinforced aluminium corners can handle active and multi pet households DURABLE CONSTRUCTION: Includes a flexible, tinted flap; great for indoor and outdoor storm, wood, PVC and metal doors CONTROL YOUR PETS ACCESS: Use the slide in closing panel to control your pets access to the outdoors and keep stray animals out of your home EASY DO IT YOURSELF