General description Made from 100% high-density polyester fiber (170 g/m² PES polyester) with a PU coating, this triangular shade sail offers moisture-proof, mildew-proof, stain-resistant, and odor-free protection. It effectively blocks 95% of harmful UV rays (UPF 50+), providing a safe and cool area during hot summer days. The shade sail consists of two pieces of fabric and features a durable construction with a concave edge design for better elasticity. Technical specifications Material: 100% high-density polyester fiber (170 g/m² PES polyester) UV Protection: Blocks 95% of harmful UV rays (UPF 50+) Construction: Double-thickness reinforced stitching on all edges Corner fittings: 316 stainless steel D-rings Installation Measurement is taken from one D-ring to the other. Leave 15-30 cm of space between the mounting point and the shade sail for accessories or rope. The product seam faces the ground for proper installation. A 40-degree mounting angle is recommended for maximum tension.