Features: 1. Inside and outside the cat door: Allow your cat to enter the litter box or the outdoors privately through any internal or external door, while dogs and children are exclusively. 2. Designed for your cat: The high-strength white plastic frame with a transparent hard cover is specially designed for your cat's preferences and is easy to use. 3. Peripheral acrylic material, smooth and firm surface. 4. Material: Made of ABS material, weather resistance, smooth and durable surface. Please tear off the protective film of the cat flap after installing the cat door. 5. Small and easy to carry: The product is small in size, light in weight, does not take up much space, and is easy to take away. Description: The high-strength white plastic frame of the cat door with a transparent hard cover is specially designed for your cat's preferences and is easy to use. Specifications: Material: ABS material, acrylic door suitable:for pet Frame size: 19*5.5*22cm(M), 23.5*5.5*27cm, (L)25*5.5*29.5cm(XL) Inner frame size: 15*15.5cm(M), 8*19.5cm(L), 19.5*22cm(XL) Package Included: 1 * pet door 1 * manual 8 * Long screw 8 * Short screw 8 * Screw 4 * Face sticker Notes: 1. Please allow 0-1 inch error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from real object.