Vinyl Tarp 15 oz. 17 Mil Heavy-Duty White w/ Gray Print Back - Waterproof PVC (17x20) 15 oz. per sq. yd. - 17 mil thickness 3-ply vinyl, UV protected, Anti-mildew, Tear-resistant, Flexible 100% waterproof, UV protected on both sides White on one side, gray print on back: see pictures Does not come with grommets or pole pockets, not fish safe