With the pet screen door, you can close your doors and windows, and while doing home conservation, it will not restrict your pet's freedom. This is a good tool for families with pets. Features: High-quality material: This pet screen door is made of high-quality ABS and nylon mesh materials, durable and strong, not easy to be damaged by your pet. Simple installation: The package includes tool sets and installation instructions, easy to install, strong enough and not easy to broken. Lock automatically: When your dog slides the screen door, the built-in magnet can automatically close. Even if you want to prevent the pet from walking freely, you can lock the door with the blue lock. Installation scope: Only install this pet door on internal/external screen doors, windows and any other screen areas. It cannot be used for very thick wooden doors, iron/aluminum doors, and walls. Warranty: Any problem, please contact our store without hesitation. Honor to serve you! Specifications: Item: Pet screen door Color: Black Main material: ABS, nylon mesh External frame size: 29*24cm; Inner frame size: 26*20.5cm; Thickness: 1.25cm Suitable for: Small cats and dogs Note: * There could be some deviations due to manual measurement or slight color difference owing to photographing condition. Thank you for your understanding. Package Information: Package size: 24.7*29.5*1.9cm Package weight: 345g Gift Box Package Packing List: 1* Pet screen door 1* Tool set 1* Installation manual