SB1012 Heavy-Duty Tarpaulin is made from premium grade Polyethylene which provides excellent water resistance and strength, while remaining lightweight and offering easy handling Tarp material consists of three layers Center woven layer provides the tarp with a high degree of strength and rigidity, while the top and bottom LDPE layers provide a waterproof coating Waterproof coatings are also equipped with Sunshield-UVI, a specially formulated ultra-violet light inhibitor With Sunshield-UVI for maximum UV resistance Rigid, water resistant, lightweight & easy to handle Silver side reflects heat; black side absorbs heat