【Waterproof】Sunshade sail made of high-quality PES, waterproof and sun-resistant. Enjoy your outdoor time with family or friends on rainy days. Recommended installation angle: 20 to 40 degrees to allow water drainage. 【High-quality material】The sail is made of durable polyester fiber (PES) with a PU coating. Durable, stable, and moisture-resistant, it is suitable for all seasons. It blocks 95% of harmful UV rays (UPF 50+), providing cooling shade for your balcony or terrace. 【Easy to install】316 stainless steel corner buckles and reinforced seams for maximum stability. 3 fixing ropes (2.5 meters each) are included. Tension the sail at a slope of 20 to 25% to prevent water pockets from forming. Re-tension regularly to keep the surface flat. 【Dimensions】Distance between D-rings. The curved edge prevents wrinkling and sagging. Choose the size and color according to your needs. Due to hand sewing, there may be an error of +/- 5 cm. 【Versatile Solution】Provide effective sun protection for