Cat Mate 4 Way Locking Flap with Door Liner to 50mm (2 inches), Easy Installation in UPVC Doors, Walls, and Wooden Doors White

4 Way Locking Cat Flap & Liner. 4 Way Locking as Follows: - Unlocked - Out Only - in Only - Locked Trimmable Door Liner enables Neat Easy Installation in all doors. Silent action will not frighten pets or disturb owners. The Brush Sealed Flap with Magnetic closure ensures a draftproof, weatherproof seal