• Upgraded Three Flaps: We have upgraded the insulation in the center of the dog door to provide 50% more insulation than traditional insulation. 2 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 more sturdy and not easy to deform and rust.85% more durable than traditional iron and non-aluminum dog doors, extending the life of the dog door and reducing the frequency of replacement and the complexity of repetitive installation processes.
• Two Size Dog Doors: The Medium Dog Door features a spacious 14.4 x 8.4 inch flap opening. It is suitable for large dogs weighing up to 45 pounds. When you make a hole in the wall, the opening in the wall measures 15 x 8.9 inches inches. It features an expandable channel that can accommodate walls from 3.95 to 7.5 inches thick. Please compare the size chart to make sure the size is right for your dog before purchase.
• Keep You Puppy Safe at Home: Our dog door is equipped with an aluminum alloy safety lock, which is not easy to be damaged and more durable. Simply lock the sliding dog door panel to keep your puppy safe by preventing it from wandering out when you are not home. The dog door also comes with 2 pet fire and rescue stickers to notify firefighters and emergency personnel.

Shipping Note: Shipping to Alaska, Hawaii, PO Boxes, and APO addresses is not available for this item

Warranty: 90 Day Woot Limited Warranty