• Heavy Duty Black and Silver 6 oz • Construction Tarp • Tear resistant, suitable for a wide variety of uses • UVI treated polyethylene top and bottom coatings • Silver on one side to reflect the sun"s rays, black on the other to block sunlight • Silver side up will divert both heat and UV light; black side up will absorb heat and divert UV light • High density black polyethylene weave, 14 x 14 sqare inch count • Heavy duty molded plastic reinforced corners • Aluminum grommets spaced every 18 • 14 mil thickness