Taylor Made Products 70307 Boat Guard Sst Trailerable Boat Cover, 21-23-Feet X 102-Inch Beam for Cuddy Cabin 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