12' x 16' Brown & White Reversible Heavy Duty Tarp Approximate finish size is 11'4" x 15'6" due to hems and seams. 14x14 weave material, approximately 10-11 mil thick. Aluminum grommets every 18 inches. Plastic-reinforced corners, and a heavy-duty 3mm rope in the hem. 3% UV-inhibitor in the LDPE coating to extend durability in direct sunlight.