Heavy duty Silver U.V. poly tarps are used for sun protection and water proof. Our Silver tarps are ideal for Canopy & Awning, Roofers, Farmers, Lawn Services, Lumber Yards and many other uses for sun protection and water proof. Our Silver poly tarps are weather resistant- 100% UV Protection, Waterproof, and Mildew-proof. Its strong, tear resistant high density polyethylene. Each tarp comes with heavy-duty rust resistant grommets every 18 inches with rope reinforced corners and eyelets.