Ideal Pet Products VIP Vinyl Insulated Pet Patio Door Designed To Fit VINYL Sliding Patio Doors Only; please see below for sizing instructions Adjustable Height: 76-3/4" To 78-1/2" (78") (Measure flush at top track to the inside bottom track of your sliding patio door frame) Extra Large size 10-1/4 x 15-3/4" flexible 3-part double wall LEXAN flap Patio panel frame color is White Vinyl with clear, dual pane tempered low e glass Vinyl pet patio doors will not fit correctly with aluminum sliding configurations - vinyl and aluminum are NOT INTERCHANGEABLE.DO NOT USE strong detergents, pine or lemon oil or any type of solvents as these will permanently damage the flap panels and flexible hinges Manufacturer Warranty does not apply to product purchased through Amazon Warehouse Deals. Use a clean rag and fresh water to remove any dirt and grime that may accumulate on the flap panel surface Need Assistance? E-mail Ideal Pet Products expert US-based customer care specialists seven days a week!