【Ultraviolet Protection】Waterproof shade sails can block 95% of ultraviolet rays, protecting you and your family from ultraviolet rays for a long time. 【Waterproof Shade Sail】The waterproof shade cloth is made of high-quality waterproof polyester, which has strong waterproof function and protects you and your family from rain. 【Sun Protection Sun Sail】Waterproof shade sails can block 92% of the sun, prevent sunlight, reduce the surrounding air temperature, and provide a cool environment for you and your family. 【Sturdy and Durable】The waterproof shade cloth is made of high-density polyester fiber, which has the properties of tear resistance, weather resistance and high temperature resistance, firm stitching, double folding and double stitching on the edges.edges, and lots of reinforcement. 【Easy to Install】We provide you free of charge with a special 3x2.5m rope for the terrace stretched canvas.The triangle is sewn with stainless steel D-rings.The installation angle of anti UV shade sails is recommended to be 20 to 40 degrees to obtain maximum tension and let rainwater drain off.