The Maotong Weatherproof Pet Door with 2 Flap Closure is a durable and easy-to-install solution for allowing your medium-sized dog to access your home. The magnetic closure ensures security while the metal material provides stability. With a size of 8?x12? and a sleek white color, this wall-mounted pet door is designed to be a convenient and reliable addition to your home. Perfect for medium breed dogs, this product is a must-have for pet owners looking to give their furry friends more freedom and independence. This dog/cat door is built like a tank!!! This is the best constructed one that I have seen. I have sold several of these and this being the best one yet.