Strong & Durable Shelter - 16 x 20 ft silver and black poly tarp forms a strong and durable shelter from sunlight, rain and dust, cooler underneath in the summer; Long lifetime up to 3 years, it features good ability of anti-aging for long-time use Qualified Material - Made with 100% virgin PE material and triple coated lamination for double-sided use, for waterproof and UV resistance & not easy to get black stains in wet weather Sturdy Poly Tarp - 14mil extra heavy-duty thickness and aluminum grommets in 3 1/4 ft (1m) interval for better tear-resistance, weights 14.42Lbs; PP plastics capped reinforced corners with grommets for sturdy construction; All seamless edges avoid water leakage