Features: Pet door frame is made of high-quality material with long-time use, while the flap let pet sees through the pet door clearly. Four independent models to lock the cat flap door with switches --- swing out only, in only, both in and out, and fully locked, easy to control your pet in and out. Just fixed by screw to prevent from coming off. Suitable for all door, panels or any other-screen area. The transparent flap allows your cat to see her food or litter box on the others side of the pet door, making training and acclimation stress-free. The flap is wraped with brush strip to reduce noise and power for cats to push. Specifications: Material: Plastic Size: Approx. 30x30x4cm/ 11.81x11.81x1.57in Color: Clear-type, White Package Includes: 1pc Clear Pet Door note: 1: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2: Due to the difference between different monitors, the picture may not reflect the actual color of the item.