Features: 1.EASY TO OPEN AND CLOSE: Dog screen door is more convenient to open and close. Insert bolt can prevent pets from running around on their own. 2.STRONG AND DURABLE: Screen pet door insert bolt column design thickened, making the inner page strong and more durable. 3.DOUBLE MAGNETIC SUCTION: Doggie door adopts double magnetic suction design, which can effectively suck the inner page and close the window automatically after the pet leaves. 4.ABS MATERIAL: Cat screen door is made of ABS material, thickened transparent tinting film, clearly visible, securely blocking access to the door. 5.SCOPE OF APPLICATION: Lockable pet screen door is suitable for dogs and cats, perfect for your pet to use when going to the bathroom or playing. Specification: Item Type: Dog Screen Door_x000D_ Material: ABS_x000D_ Size: Approx. 31.5x25cm / 12.4x9.8in PackageList: 1 x_x000D_ _x000D_ DogScreenDoor 6 x Screws 6 x Nut 1 x English Manual Note 1. The pet door itself does not contain a screen, it needs to be cut from your screen door and placed into the insert._x000D_ 2. In the process of disassembling and separating the door frame, it is recommended to use tools such as a flat head screwdriver or putty knife._x000D_ 3. Be careful not to pinch your hand when disassembling, it is recommended that 2 people operate the installation._x000D_ 4. When separating the door inserts, pay attention to the snap locks, if they fall off, they need to be re installed._x000D_ 5. Provide screws and nuts, pay attention to correspondence when installing._x000D_ 6. After the installation is completed, push the inner page lightly by hand to check whether the door is working properly._x000D_ 7. Please allow some error due to manual measurement.