... mildow and UV prtection. The boat cover is used to cover the boat after they are used.It helps ... ,sun and dusts,in order to make the boat last longer and cleaner. materia:210D,300D,420D ... ,600D polyester coating PVC OR PU.The material all be Uv treat and waterproofcolor:Navy blue,Sliver, ... and details. we specialize in manufacturing and exporting boat cover,car cover,motorcycle cover,bike cover,dust cove ...