4 types of closure: the kittens have 4 possibilities of closure: open inwards, open outwards, open in both directions open, closed. You no longer need to open your door if your pet wants to enter the room. The cat door makes your life easier and frees your pet at home. Easy installation - This pet door is suitable for brick walls, wooden doors, PVC doors and metal and can be installed in doors and walls with a thickness of 2 to 5 cm. Includes detailed installation instructions and image descriptions. If you have any questions during installation, please contact us. Wardrobe door dimensions: L - Frame dimensions: 25 x 27.7 cm, door dimensions: 20 x 22 cm , thickness: 5.5 cm. Completely silent - This door is extremely silent and offers optimal protection against drafts thanks to a special seal and magnetic closure. The brush bar eliminates noises when opening and closing the door. Suitable for most cats and small dogs (Pomeranian, Yorkshire Terrier, Pekinesen, Dachshund, etc.). With grid design - The transparent flap is made of high strength fiberglass which protects against UV, has good transparency, protects against the animal's grip and bites - Resistant to humidity and abrasion.