The Heavy Duty Silver Tarps are ideal for storm tarps, hurricane tarps, truck covers, roof covers, canopy tops, shelters, backyard ice skating rink liners, hay stack covers, boat covers and landfill coverings. The heavy duty silver tarps are waterproof, mildew resistant, tear resistant and acid resistant. The Silver Tarps are laminated on both sides to completely block sunlight and are UV treated for extended protection. These heavy duty tarps have folded edges that are double-stitched with cord reinforcement. They come with rustproof aluminum grommets. Product Features Reinforced corners High density UV resistant fabric Aluminum gromets every 3 ft. Double layer ham with rope Water resistant