Durable Material: This cat flap is made of high quality ABS plastic, which is durable and weather resistant; The transparent surface is easy to clean. Easy to Install: Equipped with screws, you can fix the pet door, not easy to fall off, safe and easy for your pet to get in and out. Only low noise and safety: There are brush strips on the edges of the interior folding door. doors, which can reduce noise from pets entering and can reduce exiting the door; In addition, the silent movement does not frighten the animal and, thanks to the magnetic control, does not disturb the owner. The diameter of the cat flap: 11.8 inches; Flap size: 17cm (length) x 16cm (width); It is suitable for all cats and small dogs up to 6 kg. Glass look design Transparent design matched with glass, ideal for windows, sliding glass doors; ideal for all types of glass; Your pets will immediately fall in love with the beautiful sectional door. Ideal for all glass doors, PVC doors. Attention: the thickness of the