3-Flap Dog Door, All Aluminum Alloy Large Dog Doggy Doggie Door for Wall, Telescoping Tunnel, Heavy Duty Pet Door for Dogs, Insulation Layer, 2 Magnetic Flaps, Closing Panel, for Pet Up to 110lb Size:Medium com/images/S/aplus-media-library-service-media/3d0311aa-744e-4555-a3a7-ae18ab77a69c

com/images/S/aplus-media-library-service-media/3d0311aa-744e-4555-a3a7-ae18ab77a69c

creating a stable hold that's resistant to falling off

The bottom is equipped with non-slip points to keep it steady

reducing spinal pressure and enhancing sleep quality

3-Flap Dog Door, All Aluminum Alloy Large Dog Doggy Doggie Door for Wall, Telescoping Tunnel, Heavy Duty Pet Door for Dogs, Insulation Layer, 2 Magnetic Flaps, Closing Panel, for Pet Up to 110lb Size:Medium com/images/S/aplus-media-library-service-media/3d0311aa-744e-4555-a3a7-ae18ab77a69cAbout this item Upgraded Three Flaps: We have upgraded the insulation in the center of the dog door to provide 50% more insulation than traditional insulation. Two high quality magnetic baffles and dust burrs provide perfect insulation against cold winter winds and dust, ensuring a warm and clean indoor environment. All Aluminum Dog Door: The whole dog door is made of all high quality aluminum alloy, reinforced by high end welding process, which is