Features: 1.INSERT BOLT DESIGN: Dog door with insert bolt design, the switch is more convenient and can prevent pets from running around on their own. 2.DOUBLE MAGNETIC SUCTION: Pet door adopts double magnetic suction design, which can effectively suck the inner page and play the function of automatically closing the window. 3.THICKENED DESIGN: Pet screen door insert bolt inside the column design thickened, making the inner page stable and more durable. 4.DURABLE MATERIAL: Cat sliding screen door is made of ABS material, which is clearly visible and securely blocking the entry and exit door. 5.WHITE: Dog exterior door is a white model, the door sheet is colorless and transparent, and with plus thickness of transparent tinting film. Specification: Item Type: Dog Door_x000D_ Material: ABS_x000D_ Product Size: Approx. 44x34x1.7cm/17.3x13.4x0.67in PackageList: 1 x Dog Door 7 x Screws 7 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 inner pages._x000D_ 2. In the process of disassembling and separating the door frame, it is recommended to use tools such as flat head screwdriver or putty knife._x000D_ 3. When disassembling, be careful not to pinch your hand, it is recommended that 2 people operate the installation._x000D_ 4. When separating the door inserts, pay attention to the card lock, if it falls off, it needs to be reassembled._x000D_ 5. Provide screws and nuts, pay attention to correspondence when installing._x000D_ 6. After the installation is completed, gently push the inner page by hand to check whether the door is working properly._x000D_ 7. All data are measured manually, and there are certain errors in the measurement results.