This is the tarp for heavy-duty applications. Green on one side,black on the other. Industrial quality, high-density 12 x 14 weave layered between coatings (160 grams per sq. meter) of waterproof polyethylene. Reinforced plastic corners with aluminum grommets, roped hem, and aluminum grommets spaced approximately every three feet. Heat pressed, sealed 1-1/2" hems. Reinforced stress points with TARP TAPE, BAC-TG35 (order#146670)