Taylor Made Products 32-70305 Boat Guard Sst Trailerable Boat Cover, 17-19-Feet X 102-Inch Beam for V-Hull Runabout Made from durable pigment coated sand Hot Shot 6.25 oz 100% marine grade polyester fabric Includes patented self-suporting technology Fabric is light weight and highly water repellent, with an enhanced UV protection package Patented mold, mildew and algae fungi inhibitor in fabric Four-ply folded seams and double folded hems for superior strength with 5-year warranty