【99.9% Waterproof】- The shade sails have a splash-proof coating on the fabric surface and a double PU coating inside, this outdoor canopy is not spliced. Water pressure resistance: 400 mm HH -600 mm HH 【High Quality Guaranteed】- The shade sails are made of 160 g/㎡ polyester fabric. It has the characteristics of high tensile strength, aging resistance, corrosion resistance and radiation resistance. Strong stitching and durable 316 stainless steel D-rings at each corner. It blocks 95% of UV rays 【Practical and Aesthetic Design】- The curved design shows artistic beauty, Stretch the shade sail better to avoid wrinkling and sagging of the shade sail. All edges have double-thickness reinforced stitching to prevent fraying and edge distortion. Due to the curved sides, the actual shaded area will be slightly reduced. Various colors and sizes are available 【Easy to Install】- The measurement is taken from D-ring to D-ring. Leave a margin of 15-30 cm between the fixing point and the shade sail