CHEW PROOF: Your dogs often chew and destroy furniture for various reasons. This not only makes a mess of the environment, but you are also worried about the security of the dog. Our dog house adopts anti-chewing design. Each side of the houseCHEW PROOF: Your dogs often chew and destroy furniture for various reasons. This not only makes a mess of the environment, but you are also worried about the security of the dog. Our dog house adopts anti-chewi is inlaid with iron frames to prevent chewing. LARGE LOADING CAPACITY: Larger space, larger loading capacity. An adult around 180 pounds stood on the floor and walked back & forth to test durability. The dog kennel was not damaged. We recommend dogs use this dog house within 180 pounds. STURDY CONSTRUCTION: Natural wood with iron frames, the sturdy floor with customized waterproof foot pads make our kernel have a longer life. Others use fragile wood and thin foot pads without iron frames. It's neither anti-chewing nor durable.