DESC: Stearns best Universal Fit pontoon boat Cover! These rugged pontoon boat covers feature our tough 300D Hurricane Polyester Marine Canvas. Features: Available in three sizes to fit all popular pontoon boats; Tie-down rope and two stern-fit elastic cords are included. Hurricane 300D Fabric: Tough 300 D polyester Hurricane fabric will not shrink, won't stretch, and is much stronger than ordinary cotton canvas. Unique fabric coating technology resists dirt and stains while providing the ultimate in water resistance and repellency.