the boat cover is used to cover the boat after they are used .it helps to keep the boat from water,sun and dusts materia :210D,420D,600D polyster coating PVC or PU,the material all be Uv treated and waterproof Color: multipe colorsit is waterproof and light weight the size and design can be made according to customer's requests.we specialize in manufacturing and exporting boat cover,car cover, ...