Quiet And Convenient : Two parts with cat's paw; the door brush strip eliminates the sound of closing the door, inside the rubber ring to protect cats without hurting; quiet action won't scare pets or disturb the owner, will allow cat free access to their litter box Durable Weather-Resistant:All cat door made of durable, weather-resistant ABS plastic bad weather, but prefers comfort and ease of use; Strong and stable structure 100% UV resistant polycarbonate ensures a virtually unbreakable dog door Perfect Window Decoration:Clear design to make the window screen with mass on edge, ideal for windows on-screen, sliding glass doors, glass windows; ideal for all glass application applications; your pets will instantly innamoreranno with a stylish Pet Skirt Fits All Pets:The size of the pet sling is 7.25" x 8, fits all breeds of cats and small size dogs (6 kg/13 LB); so if you want to give your lovely pets more space, don't hesitate to order the pet door