HIGH QUALITY: Made of high-quality Polyester material, more healthy and safe. It is fade-resistant, waterproof, and is free of stains, including three pad eyes. Free giving 3*1800D wind ropes (200cm for each), robust sewing processing on each side, stainless steel D ring on each edge, firmly guarantee fastness of installation. Water Resistant Design - Water-resistant, not waterproof. Water-resistant rating: 400mm HH. SUPER SUNSCREEN: Up to 98% UV protection and 90% Shading rate. Shade sails will lower the ambient air temperature reducing your properties cooling cost and energy consumption. The savings will pay for the Shade Sail's over time, with the right design. Practical and Multifunctional: Widely used over a patio, lawn, garden, pool, pond, deck, kailyard, courtyard, backyard, dooryard, park, carport, pergola, sandbox, driveway or another outdoor area. Its effectively reducing heat in your outdoor living areas. EASY TO USE: Easy to install. With metal D-rings in each corner, more durable. Curved sides to enhance pull strength and prevent drooping, so the actual shading area would shrink slightly, tolerance 4~6 inches for each side.