General description High-quality 4x4x5.65m waterproof triangle shade sail in charcoal grey, made from 100% high-density polyester fiber (170 g/m² PES polyester) with a PU coating. This shade sail is moisture-proof, mildew-proof, stain-resistant, and odor-free, providing a safe and cool area outdoors while blocking 95% of harmful UV rays (UPF 50+). It consists of two pieces of fabric and features a durable construction with a concave edge design for better elasticity. Technical specifications Dimensions: 4x4x5.65m Material: 100% high-density polyester fiber (170 g/m² PES polyester) UV Protection: Blocks 95% of harmful UV rays (UPF 50+) Weight: 170 g/m² 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. A 40-degree mounting angle is recommended for maximum tension. The product seam faces the ground for optimal installation. Usage Ideal for use on patios, lawns, gardens,