If you and your pal need a heavy-duty pet door， the Endura Flap Double Flap Wall Mount Dog and Cat Door is just what you’re looking for! This energy-efficient pet door features double flaps that insulate against extreme cold or heat. It includes a magnetic seal that can be reduced in strength for lightweight pets or increased for wind resistance. It’s also made to prevent shrinking or yellowing in the sun. The sturdy aluminum frame works with all wall types and you won’t have to look at unsightly hardware—it’s designed to be completely hidden. When you’re ready to head to bed or go on vacation， a secure locking cover helps keep unwanted guests from getting into your home. This premium pet door is also available in multiple sizes—perfect for furry friends both large and small!

Inside Flap Frame， Outside Flap Frame， Locking Cover， (4) Tunnel Pieces， (4) Threaded Rods， (8) Hole Plugs， Tube of Silicone， Jigsaw Blade， Weather Stripping， Warranty Card， Installation Template & Installation Instruction Booklet.