【Waterproof】Premium PES sun shade sail with waterproof sun protection. Water pressure resistance: 400 kPa. Enjoy outdoor moments with family and friends in light rain. Recommended installation angle: 20–40 degrees for water runoff. 【High-quality material】The sail is made of durable PU-coated polyester (PES) (fabric weight ~160g/m²). Durable, stable, moisture-resistant, and usable in all seasons. Blocks 95% of harmful UV rays (UPF 50+) and provides refreshing shade on balconies or patios. 【Easy installation】316 stainless steel eyelets in the corners and reinforced seams for maximum stability. Includes 4 guy ropes (1.5 m each). Tension the sail at a 20–25% incline to prevent water accumulation. Tension regularly for a smooth surface. [Dimensions] Distance measured from D-ring to D-ring. Curved edges prevent creases and sagging. Choose size and color according to your needs. +/-5 cm tolerance due to hand sewing. [Versatile solution] Effective sun protection for gardens, pergolas, pools, or playgrounds. Our curved sun shade sail is the ideal multifunctional solution: flexible and practical to better enjoy life.