*** Please allow up to three weeks for delivery *** Medium, overall frame size: 13-7/8″ H. x 11-1/2″ W., cut out size: 10-3/8″ H. x 9″ W., pet shoulder width: 8-5/8″ - MEDIUM PET DOOR: Pet door with security panel. White with see-through flap. Made of heavy-duty thermoplastic suitable for wooden or metal door or walls.