Offers superior water resistance and protection from UV rays. The silver reflective fabric helps keep your pontoon boat cooler on hot summer days. Double-stitched double-ply seams add strength and durability. Includes quick-release buckles and straps. Buckles at the back let you easily attach the cover to the u-bolts on your boat. Sewn-in draw cord for a tight fit. Comes with FREE oversized mesh storage bag. Not recommended for trailering. Five-year warranty. Features: Offers superior water resistanceReflective fabric keeps your boat coolHD 600 marine-grade polyester fabricLength: 17' - 20'Max. Beam: 102'' | HD 600 Pontoon Boat Mooring And Storage Cover 17'-20'L 102" Max Beam in Silver