Description 4 Closure Types: Kittens have 4 closure options: open inward, open outward, open both ways open, closed. You no longer need to open the door if your pet wants to enter the room. The cat flap makes your life easier and releases your pet in the house Easy installation - This pet flap is suitable for brick walls, wooden doors, PVC and metal doors, and can be installed in doors and walls with a thickness from 2 to 5 cm. Includes installation instructions detailed descriptions and pictures. If you have any questions during installation, please contact us. Wardrobe Door Size: L - Frame Size: 25 x 27.7cm, Door Size: 20 x 22cm, Thickness: 5.5cm. Completely silent - This door is extremely silent and offers optimal protection against drafts thanks to a special seal and a magnetic closure. Brush bar eliminates noise when opening and closing door. Suitable for most cats and small dogs (Pomeranian, Yorkshire Terrier, Pekingese, Dachshund, etc).