General description The Magnetic Cat Flap with Swing Door and 4-Way Lock is designed for cats, kittens, and puppies, providing them with freedom and convenience. Available in black and white, this flap features a transparent door that allows pets to see through, enhancing their comfort. The external rain seal ensures waterproofing, while the brush strip minimizes noise when the door closes. The polished chrome inner edge adds durability and style. Technical specifications Dimensions: 19.7 x 19.5 x 3 cm Material: ABS 4-way opening modes: external only, internal only, both, and fully closed Interior dimensions of the door frame: M: 16 x 15.7 cm, L: 19 x 18 cm, XL: 22 x 20 cm Installation Prepare necessary tools: pencil, ruler, electric saw, drill, screwdriver, double-sided tape. Draw an outline of the flap on cardboard and cut it out. Mark the outline on the door using a pencil. Drill holes in the corners of the outline. Cut the tunnel hole using an electric saw. Wrap the tunnel hole