High quality material: Our cat clips are made of high quality PC plastic which is waterproof and weatherproof, the surface is smooth and durable, durable for a long time of service.quality assurance.You can buy with confidence. 4 Locking Ways: Our cat flaps have 4 closing options: open inward, open outward, open both directions, closed. The cat door makes life easier and your pet freer company house.You don’t have to worry about pets coming in and closing the door anymore. Perfect Design: Our pet door is professionally designed for cats. Designed in glass decoration, transparent window design to make your screen massively integrated, to enjoy the best screen sliding window, glass door, glass window. Fit most small pets: the size of the cat flaps door is 11.8 Ă— 11.8 Ă— 1.6 inches, and the size of the flap is 18.5 Ă— 20.5 cm / 7.25 Ă— 8 inches; It is suitable for all breeds of cats and small dogs up to 6 kg / 13 lbs. Easy Training: The transparent flap allows your cat to see their food box