Do it Blue Medium Duty Poly Tarp, 30 Ft. x 40 Ft. is crafted from polyethylene with a 10 x 8 weave pattern, featuring lamination on both sides for enhanced durability and weather resistance. This tarp includes a polypropylene rope that is heat-sealed into the peripheral hem, adding extra strength and reinforcement. Durable polycarbonate grommets are spaced every 3 feet around the edges, making it easy to secure and tie down. Treated to resist the harmful effects of the sun’s ultraviolet rays, this tarp ensures long-lasting protection for your belongings or outdoor coverage needs. Model Number: 712187