Flap Size:180mm x 240 mm Pet Size:Small Dog Material:White Plastic Application:Wood Fitting This attractive wood fitting dog door is designed to fit all doors and panels of wood, metal and pvc construction. Because of it's tunnel profile it will fit all doors and panels from 11-52 mm (approx 3/8" - 2"). The pet door is simple to install. It has a weather seal flap to reduce draughts. All fixing screws are stainless steel, avoiding potential rust stains on door panels. The flap size is generous, 180 x 240 (7 1/8" X 9 1/2") . A template is supplied for marking and cutting of the door panel complete with instructions and a 3 year warranty. The door flap is manufactured from UV stabilised high impact polycarbonate to endure the rigours of animal use A four way manual locking system is provided to allow the owner flexibility with the pet's movements. In only position, will allow your dog entry but prevent the dog from leaving. Out only position, will allow your pet to leave the house but prevent the dog from re-entry. The locked position will prevent the pet from both entry and exit. The In and Out position will allow both entry and exit. Generous flap size 180 x 240 (7 1/8" x 9 1/2") Virtually unbreakable flap using Bayer Polycarbonate UV Stabilized All Stainless Steel screws to prevent rusting No maintenance required Self lining door Brush weather seal to reduce draughts Fits Wooden, PVC and Metal doors 11 mm to 52mm (3/8” - 2”) Four way locking system Self closing flap with magnetic location Simple to install, suitable for the average home handyman 3 year warranty Overall size 325mm x 240mm (12 6/8"x 9 7/16")