12 Ft. X 16 Ft. Heavy Duty 6 Oz. White Tarp 11-12 Mil Thick,TarpsDirect,W12x16" /> 6 oz. per square yard 11-12 mil thickness Grommets every 18 inches apart, Reinforced Corner Grommet UV stabilizers on both sides Finished 6 inches or up to 2 percent smaller