Give your dog access to any room in the house, even when the door is shut with Trixie's 2-Way Locking Dog Door, S-M. The durable plastic frame with silent action transparent door flap and sturdy metal base bar make it ideal for the garage, laundry, or back room door. Restrict access using the removable metal rear panel. Includes a tunnel element to extend the depth 0.75 to 1.25 Inch. Suitable for small to medium size dogs weighing up to 45 pounds. Quick and easy assembly. All hardware included. Three year warranty. Color: white. Dimensions (Inch): outside frame 11.75 x 14; rough cut out 9.75 x 12; flap 8.75 x 11.5. Weight: 2.5 pounds.