BEST UV SUN PROTECTION STORAGE AND TRAVEL Waverunner 420 DENIER JET SKI Jetski Cover Yamaha V1 Sport 2015 2016 Designed for storage , mooring and trailering purposes. Semi-custom fit Jet Ski cover with trailering system. Water resistant and breathable technology, designed to resist mildew, UV rays, dirt, rain. 420 denier poly material with urethaine coating to resist any weather conditions. Cover has Rear air vents reduce inside moisture and wind lofting. Elastic cord sewn into bottom hem for a fast, snug fit. COLOR: Reflective Grey.