4 types of locks (open, stop, on/off, locked) Cat flap four modes, lock with switches, only swivel, inside and outside, completely lockable. Decoration Perfect Glass - Clear design to integrate it into your window, ideal for windows, sliding glass doors, glass windows; Ideal for all glass adaptations. Simple and comfortable - Two parts in the cat door: the door brush dampens the sound of the door, the rubber inner ring protects your cats from injury. Durable and resistant - All doors are made of strong ABS plastic, weather resistant and very comfortable and easy to use - Robust construction in 100% UV resistant polycarbonate for a virtually unbreakable door. Suitable for all animals Size: 30cm x 30cm, suitable for all types of cats and some small dogs (6 kg).