BEST UV SUN PROTECTION STORAGE AND TRAVEL 420 DENIER JET SKI Jetski Cover Waverunner Yamaha VX Cruiser 2015 2016 2017 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.