Top Value vinyl-coated polyester is an 18 oz industrial and marine fabric, 61 inches wide, woven 18 x 17 on a 1000 x 1300 denier polyester base. It offers high grab tensile strength (411 lb warp / 371 lb fill), 508 PSI hydrostatic resistance, and a -40°F cold-crack rating, and is mildew and UV resistant. Finished matte and recommended for tarps, covers, marine tops, and industrial enclosures.