SILVER 420 DENIER TRAILERABLE JET SKI JETSKI PWC COVER FITS Polaris SL 780 1996 1997 1-2 Seater 420 DENIER Marine Grade Woven Polyester Material. Designed for Storage Mooring and Trailering Purposes Technologically advanced Marine Grade Poly fabric for the best sun, dirt, mildew protection. Rear air vents reduce inside moisture and wind lofting. Elastic cord sewn into bottom hem for a fast, snug fit. Storage Bag included for easy storage. COLOR: Reflective Grey