4-way locking system: entry, exit, entry and exit, complete locking, easy control of your cat. keeps stray animals away. Simple installation, suitable for wood, PVC, UPVC, walls and glass doors. Waterproof transparent flap with mute closure. Durable plastic frame with four-way manual lock. Excellent quality: Please note this item is suitable for cats and dogs under 7kg. Total size: Width: 20.3cm, Height: 22.5cm, Depth: 3cm. Please refer to the size reference image. Product Description: 4-way manual lock gives you easy control your cat’s access by placing the door on entry-exit, entry-exit, entry-exit, and completely locked, while keeping other intruders out. Excellent quality: made of durable, tough ABS plastic waterproof, easy to clean and install. With the cat flap, your cat can have a little freedom to go in and out and everything is under your control. “> Good quality product