Harpster Tarps 20 ft. x 20 ft. heavy duty 6 oz. black poly tarp 11-12 mil thick

6 oz. per square yard. 11-12 mil thickness*Light Block Out Tarp*Grommets Spaced 18 inches apart – Reinforced Corners*UV stabilizers on both sides*Finished 6 inches or up to 2 percent smaller