Give your furry friend access to the outdoors with the Armor Flex Low-E Patio Regular Height Pet Door Opening from High Tech Pet Products. It features a double-pane and Low-E glass with heavy-duty aluminum frame construction, high strength ABS composite flap construction and all stainless-steel hardware. 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 Low-E Patio Doors are finished with the toughest industrial powder coat for the perfect blend of look and functionality. Features: Sturdy pet door that universal lock fits any patio door to allow your furry friend to enjoy the great outdoors safely. Features a double pane and Low-E glass to keep extreme weather out while providing your house with energy efficiency. Made with 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. Includes a locking security panel so no unwelcomed guests can enter your home. Includes: Armor Flex Patio Pet Door, Mounting Hardware, Install Hardware, Lockout Panel, Manual Intended Pet(s): Dogs, Cats up to 150 lb Material(s): Aluminum, Plastic Color: White Product Dimensions: 12.5 in x 25 in Pet Opening Meets Airline Travel: Yes Product Weight: 50 lb High Tech Pet Armor Flex Low-E Patio Regular Height Door Opening, Size: 12.5"L x 25"H | PetSmart