Cat Flap with 4 Way Magnet, Pet Door for Cats and Small Dogs, Cat Door with Tunnel (M-16 x 15.7 x 5.5 cm, Brown) 4 Locking Ways: Cat flap for cats have 4 locking ways: open inward, open outward, open in both directions, close. You don't have to open the door when your pet wants to enter the room. The cat flap makes life easier and makes your pet free at home. Easy Installation - Cat flap is suitable for brick walls, wooden doors, PVC and metal doors and can be installed on doors and walls with a thickness of 2 to 5 cm. The cat flap is made of robust ABS plastic, weatherproof and easy to clean. Front Door Size - M - Frame Size: 19 x 20 cm (L x H), Door Size Door: 16 x 15.7 cm (L). Very Quiet: This door is extremely quiet and offers optimal protection against drafts thanks to a special seal and a magnetic closure. The brush bar eliminates noise when opening and closing the door. Suitable for most cats and small dogs (Pomeranian, Yorkshire Terrier, Pekingese, Dachshund, etc.).