"The Classic Accessories StormPro Heavy-Duty Boat Cover is designed for both long-term storage and highway travel. High-strength 600D polyester StormPro marine canvas offers extra durability and all-weather protection. Resists mildew, UV damage and is water repellent. Dual rear air vents reduce inside moisture and ballooning of cover at high speeds. Elastic Bottom Yes, Fits Boat Style V-hull runabouts, Fits Beam Width in. Up to 102, Material Thickness denier 600D, Storage Bag Included Yes, Tie-Downs Included Yes, Material Type Polyester, Color Gray, Fits Length ft. 17-19. Integrated buckle and strap system for easy fitting and trailering Full cut allows extra room for accessories Heavy-duty fabric for maximum water resistance and repellency Support pole prevents water from pooling and help preserve cover"