StormPro™ Boat Cover 19 feet has an integrated buckle and strap system for easy fitting and trailering-adjustable straps snap into quick-release buckles on the cover. Storage bag and trailering straps included. Full cut to allow extra room for accessories such as bow rails, running lights, etc. Elastic cord sewn into entire bottom hem gives a tight, custom fit. Support pole included to prevent water from pooling and help preserve the cover. Dual rear air vents reduce inside moisture and ballooning of cover at high speeds. High strength polyester StormPro™ Marine Canvas designed for extra durability and all-weather protection. Fabric coating technology and heavy-duty fabric for maximum water resistance and repellency. Resistant to mildew and UV damage. Won't shrink or stretch. 5 year manufactureres warranty.