Give your furry friend access to the outdoors with the Armor Flex Airtight Extreme Weather Magnetic Closure System Pet Door from High Tech Pet Products. It features heavy-duty aluminum frame construction, high strength ABS composite flap construction and all stainless steel hardware to ensure the safety of your paw-tner and protection of your home. The revolutionary flap design is made of individual, interlocking segments that create an airtight seal with magnets to keep extreme weather out while providing your house with energy efficiency. This system also includes a locking security panel so no unwelcomed guests can come through. Armor Flex Airtight Extreme Weather Magnetic Closure System Pet Door is finished with the toughest industrial powder coat for the perfect blend of look and functionality. Features: Sturdy pet door that allows your furry friend to enjoy the great outdoors safely. Features heavy-duty aluminum frame construction, high strength ABS composite flap construction and all stainless-steel hardware. Flap design is made of individual, interlocking segments that create an airtight seal with magnets. Keeps extreme weather out while providing your house with energy efficiency. Includes a locking security panel so no unwelcomed guests can enter your home. Includes: Armor Flex Dog Door, Exterior Frame, Locking Security Panel, Mounting Hardware Intended Pet(s): Dogs, Cats up to 100 lb Material(s): Aluminum, Plastic Color: White Product Dimensions: 10.5 in x 21 in Pet Opening Meets Airline Travel: Yes Product Weight: 14 lb Compatible With: AW1-L High Tech Pet Armor Flex Airtight Extreme Weather Magnetic Closure System Door, Size: 10.5"L x 21"W | PetSmart