Ideal Pet Products - Fast Fit Pet Patio Door - Super Large/White Frames 77 5/8 to 80 3/8 Inches - IPP-80PATSLW Flap Dimensions: 15" x 20" For pets from 90 to 120 lbs 8" Rise (Rise is the distance from the floor to the bottom of the pet door) No assembly required. Fast 5 minute installation Magnetic flap closure ensures a strong seal when door is not in use