Jet Ski Personal Watercraft Cover for Kawasaki Ultra 310X 2014 2015 2016 2017 2018 Jetski Cover Kawasaki Ultra 310X Cover - Jet Ski Personal Watercraft Cover. Years: 2014 2015 2016 2017 2018 Top of The Line, Deluxe, Heavy-Duty Jet Ski Cover - Protect Your Investment and Keep your Jetski Ready for Your Next Boating Day with our All-weather PWC Waverunner Cover Designed for Ultimate Protection and Long-Term Storage Purposes. TRI-PURPOSE Watercraft Cover: Storage, Mooring and Towing (Trailer use). Designed with All Storage Options in Mind. Keep Your Jet Ski Covered Indoors, Outdoors, on the Water, Lake, on a Lift, at the Dock or floating jetdock, Boat Marina, or on the Road While Trailering. 600 DENIER Marine Grade 100% Solution Dyed Woven Polyester Poly Canvas- High Performance, with Urethane Coated Water Resistant yet Breathable backing. Fabric Won't Shrink Or Stretch, designed to Shield and Resist Mold, Mildew, UV Rays, Sun UV Rays, Dirt, Rain, Condensation, Tearing and Overall wear-and-tear. Double Stitched 4-Ply Interlocking Seams with Rot-Proof Thread for Superior Strength and Durability. Rear Air Vents Reduce Wind Lofting and inside moisture. Fuel Gas Tank Cap Access Door. Trailerable System with Detachable Side-release Strap Buckles. Underside Reinforcements. TWO YEAR REPLACEMENT WARRANTY.