12' x 24' Black & White Poly Hauling Cover & Extra Heavy Duty Tarp Approximate finish size is 11'8" x 23'9" due to hems and seams. 14x14 weave material, approximately 14-15 mil thick. Reinforced D-Rings every 24 inches on the sides and an oversized grommet in each corner. Double-thick perimeter, 24 inches wide. 6% UV-inhibitor in the HDPE yarn and LDPE coating to extend durability in direct sunlight.