The tough, all-purpose utility cover. 4.5 oz polyethylene construction for toughness, tear-resistance, and dependability. Brass plated steel grommets every 3' with rope sewn into hem. Heavy 9-10 mil thickness. Used for truck or ground cover, storage and weather protection. Forest green in color. The measurements listed are cut sizes. The finished sizes of these tarps are 3 to 5% smaller than the listed sizes.