Size: 31CM x 36cm (interior), 37cm x 42cm (exterior) Ideal for all pets cats or dogs. Durable Safe: sturdy cat flap, the frame is made of ABS material, fixed with screws, easy to install Lockable cat flap, to prevent your dog or cat from going out if necessary. Easy to control: The rotating design and magnetic closure allows your cat or dog to enter and exit freely. Practical: Suitable for cats and small/medium/large dogs, for all doors, windows, panels or other screen areas. A perfect choice: If you are looking for a pet screen door and want to create a fancy passage for your cats or dogs, the door would be the perfect one for them, they would love to go in and out with this. Welcometomeet