Cat Door for Windows, Doors and Sliding Door, Safety Pet Door with 4 Way Lock, Weatherproof Cat Flap for Thin Door and Wall(X-Large, 11 * 9.8 * 0.78in)Freedom & Convenience Through the great cat door, your cats or small dogs can go in and out easily and quietly. They wont feel trapped and you no longer bother to open or close the door for them. Safer with 4 Lock Modes By slide the switches, you can adjust the access mode to Free In & Out, Fully Locked, Out Only, In Only, control your pets access and keep away stray animals. No Tunnel Part, No Need to Cut The panels are only 0. 78in thick and tightly