Master tradesman, 25' x 40', 10 mil, silver/black, heavy duty, ultimate polyethylene tarp cover, 180 gsm, 12 x 12 weave per sqin, additional uv inhibitors added, rolled aluminum grommets every 3', rope hemmed, reinforced corners, tear resistant, water proof, mildew proof, ideal for covering furniture, equipment camper, boat, pool & log pile, not recommended for automobiles.