Available options: Color: Black and white .. Safety and care: Transparent flap lets pets see through the door. The outer seal of the rain should make it waterproof. Brush strip eliminates door closing noise. Intelligent 4-way door control gives the cat the greatest freedom. Inside edge of the structure in polished chrome so that it is not damaged. 4-way opening mode: The swing door can be adjusted with 4-way opening modes: outside, inside and outside, and fully locked. Give the cat as much freedom as you want. Easy installation: The nails and mats included in the set facilitate installation on windows, doors, cabinets, panels, walls, etc. Excellent quality: Made of ABS material, weather resistant, the surface is smooth and durable. i> Outer frame size S: 20 to 19 to 2 cm M: 20 to 19 to 5.5 cm L: 25,5,5 cm XL: 27,7,25,5 Inner door frame size S: 16 to 15.7 cm M: 16,15,7 cm L: 19 to 18 cm XL: 22-20 cm Installation instructions 1. Draw an outline on the board Draw the
