Made of durable ABS plastic, resistant to scratching by your cat/small dog. Also, easy to clean and can be used for a long time. 4 locking modes: open, closed, in only or out only, which allows your cat to come and go as it pleases without you losing control of its comings and goings. This Magnetic Pet Door is suitable for Windows, glass doors, brick walls, PVC, uPVC and metal doors. With this cat flap, you can control your pet's comings and goings and free up your time to open the door without worrying about your pet. At the same time, your pet will love a large and free home. Prevents unwanted animals from entering your home. The doors to be installed and used by the pet, allowing the pet owner to have a free pace of life. We have two different sizes for your loving pets. Larger size, so you don't need to worry about the problem of crossing. This Magnetic Pet Door is suitable for Windows, glass doors, brick walls, PVC, uPVC and metal doors. Attention: 1. Some customers think that