: Material: Nylon Net + Stainless Steel Tube Size: Large Net 110*72cm, Tube Contraction 22.5cm, Stretching 78.5cm Weight: 230g Color >: Black High StabilityThe tubes on both sides of the door safety door do not require drilling, ensuring that the hanging dog safety door remains stable and is not easily broken by dogs. Easy to InstallNo need to drill holes in the door or wall, just stick four hooks on the wall to complete the installation of the dog door guard, which is very easy. Perfect ChoiceThe dog door allows your pet to move in a relatively mobile area, and the design of the door even allows your dog or cat to see you without feeling left out. DoorYou can install barriers in the kitchen and stairs without drilling holes, so that your pets and children will not disturb you while you are working, nor will they run down the stairs and get hurt.