Covercraft XW864UL Covercraft covers protect against ultraviolet (UV) damage bird droppings tree sap and air pollutants - elements that can ruin the finish of an expensive watercraft. Car Cover Custom Fit Personal Watercraft Cover Ultratect is a high-performance fabric that provides great protection against UV rays, is very breathable and fade-resistant All seams are overlapped and double-stitched for superior strength Strong, bar-tacked tie-down loops secure the cover on watercraft for trailering (rope not included) Underside of cover has heavy-duty double-layer reinforcement panels in high-abrasion areas Reinforced opening for trailer pins and security straps