Made of ABS plastic, durable, 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, entry only or exit only, which allows your cat to enter and exit at will without you lose 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 cat you can control your pet’s comings and goings and free your time to open the door without worrying about your pet. At the same time your pet will love a large and free home Keeps unwanted animals out of your home Doors to install and to be used by the pet,allowing the pet keeper 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 walking through. This Magnetic Pet Door is suitable for Windows, glass doors, brick walls, PVC, uPVC and metal doors. Attention: 1.Some customers think that the door will be