Product Description Polytuf Medium Duty Blue Tarpaulins provide a great value option for short term or light to medium duty applications. Made from premium grade polyethylene, which provides excellent water resistance and strength while remaining lightweight and easy to handle. All Polytuf Tarpaulins are treated with Sunshield UVI, a specifically formulated ultra violet light inhibitor for maximum UV resistance. Available in a range of sizes. They are ideal for ground sheets, wind breaks, sand pit covers and temporary cargo covers.