PETCOMING 3-Flap Dog Door, Large Doggy Door, Doggie Door for Install in Interior and Exterior Doors or Wall, Insulation Layer, 2 Magnetic Flaps, Closing Panel, Never Rust, for Pet Up to 100lb (Large)

2 Quality Flap & 1 Insulated Flap: Petcoming Plastic dog door comes with 2 pieces of excellent quality magnetic flap that can fluently close after your pet passes through the dog door. Compared to other dog doors with only 1 piece flap, our 3 Flap is more windproof, waterproof and soundproof, preventing wind and rain, and isolating mosquitoes and insects. The 3 insulated flap can keep your house shielded from extreme weather conditions and drafts.. Choose the Right Dog Door for Your Puppy: Measure your puppy's shoulder width and height according to the guideline in the picture to make sure your puppy can pass through this door. Large Dog Door Flap opening measures 17.3''X9.45''. Suitable for pets weighing up to 100LB. Petcoming plastic dog door is suitable for doors or walls with a thickness of 1.02''-2.36'', please make sure of the fitment before purchasing.. Let Your Puppy Play Safely: Let your puppy explore the small grassy area in the backyard on their own. And potty breaks on demand. Close the closing panel when you need to control the puppy in or out the door. With 2 pieces of PET FIRE RESCUE STICKER that could informs firefighter and emergency first responders that there is a pet at home alone and unprotected.. Petcoming's Extra Services: Petcoming will provide all customers with additional replacement door flap if your flap are damaged and falling off.. Never Rusts Dog Door: Petcoming practices natural environmental conservation, and the production materials are made from plastic recycled from the ocean, which would Reduce Environmental Pollution. Each Petcoming plastic dog door you purchase is equivalent to 6.6lb of plastic waste recycled in the ocean.