The Economy Lightweight Blue Tarps from TarpUSA™ are ideal for emergency home repairs, lawn & garden covers, construction sites and temporary industrial covers. These blue poly tarps are 5-6 mil thick laminated polyethylene and have a weight 2.9 ounce per square yard. They are made from 800 Denier with a 8x10 weave count. Our lightweight tarps are waterproof, mildew resistant, tear resistant and acid resistant. These economy blue tarps come with rustproof aluminum grommets installed about every 36 inches along each side for your convenience. The hems are reinforced with poly twine. Please note that the finished measured size is roughly 3% to 5% smaller than the quoted sizes below. For large quantities, custom-size blue tarps or bulk-shipping rates, please call us at (800) 352-6609.