4-way block (entry, exit, entry / exit, open) cat flap with four locking modes: always open, only entry, only exit, fully locked, makes it easy to control your pets in a simple and clean way; with a cat flap you no longer have to close and open the door to wait for your pets. Glass Effect Transparent design to match the glass, ideal for windows, sliding glass doors; ideal for all types of glass; your pets will immediately fall in love with their beautiful overhead door flap. Quiet and Comfortable Glass cat flap with two protections; the brushes prevent the door from making noise, the rubber interior protects your cats from injury; the silent opening does not scare pets and does not disturb the owner, so the cat can go to his toilet. Durable and Resistant the round transparent cat flap is made of durable ABS plastic, weatherproof, comfortable and easy to use; the robust construction resists UV rays; thanks to 100% polycarbonate the cat flap is practically indestructible. Suitable for all animals Cat flap holder Hole Door suitable for all types of cats and some small dogs (6 kg); so if you want to give your pets more space, do not hesitate to order the cat flap.