1. quality material: Our cat flaps are crafted from ABS and PP plastic, ensuring waterproof and weatherproof properties. The smooth, durable surface guarantees longlasting use with strict quality control. 2. design: Our cat doors feature 4 closing options—open inward, open outward, open both ways, or fully closed. No more needing to open the door for your pet to enter or exit. The flap provides convenience and freedom for your pet at home. 3. Easy training: The transparent flap lets your cat see their food or litter box on the other side, making training effortless and stress. Additionally, brush strips around the flap reduce noise and make it easier for cats to push through. 4. Wide application: Our pet door is versatile, fitting cabinet doors, laundry vents, windows, walls, or cabinets for exclusive access to food, play areas, or gardens. Suitable for brick walls, wooden doors, PVC, and metal doors, it can be installed in doors or walls 2–5 cm thick. It also makes a gift for your feline friends.