.You no longer need to open the door if your pet wants to enter the room.Including detailed installation instructions and s with pictures.If you have any questions during installation, please contact us.Outer dimensions of the cabinet door: S - Outer dimensions (width x height): 19 x 20 cm - Passage dimensions: 14.5 x 15.5 cm (width x height) - Depth: 2 cm.Completely silent - This door is extremely quiet and offers optimal protection against draughts thanks to a special seal and 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.).With grid design - The transparent flap is made of high-strength fiberglass that protects against UV rays, has good transparency, protects against animal gripping and biting - Resistant to moisture and abrasion. 4 Types of Closing: The kittens have 4 closing options: open inward, open outward, open both ways open, closed. The cat door makes your life easier and your pet more free at home. Easy Installation: This pet door is suitable for brick walls, wooden doors, PVC doors and metal doors and can be installed on doors and walls with a thickness of 2-5 cm. This door is silent and offers protection against drafts thanks to a special seal and a magnetic closure. If you have any questions about the products, please feel free to contact us.