outstanding pontoon cover 600 marine-grade polyester fabric water resistance,PU coating ... of the fabric, have many other kinds of fabric for you to select,such as oxford fabric(150D,300D,600D ... after finish like water-repellence,PU or PVC coated,just for customer demanded.the most important, resistent fading treated ,AATCC ... can give you more details and the accurate price.Tks~ pontoon cover