Wake Monsoon Series Pontoon Cover 100% marine grade solution dyed woven polyester fabric, 13.5 oz. Double stitched interlock seams with "rot proof" thread. Built-in over/under pontoon boat strap system for easy trailering. "Secure-fit" reinforced sewn-in elastic cord. Durapel coating technology with breathable fabric for maximum repellency. UV and mildew resistant fabric. Includes Quick Release Strap Kit and Storage Bag!