15×20 ft. 55 oz. per sq. yd. coated PVC vinyl, 50 mil, waterproof, UV protected, tear resistant, edges are trimmed – no pipe sleeves/pole pockets. White on one side, gray on the other. Both sides are UV protected. 3-ply design features a tear-resistant 840×1000 denier mesh weave in the center. Super heavy-duty vinyl, very popular for roofing applications and built to retain flexibility at 40 below zero. Sizes over 10 ft. in width will have a seam from heat welding.