【High Quality Guarantee】: 100% High Density Polyester Fiber (180g/㎡ PES polyester) with PU coating, moisture resistant / mold resistant / stain resistant / odorless. Not recommended for use in thunderstorms, heavy rain, storms and snowy days. Shade sail made of two pieces of fabric. 【95% UV Blockage】: Block 95% of harmful UV rays (UPF 50+) and protect your skin from harmful rays. You can find a safe, cool and UV protected area in the summer warm. 【Durable Construction】: Concave edge design for better stretching. Each corner has a 316 stainless steel D-ring. A thick webbing is sewn on the edge of the product, making the shade net more stable. All edges have double-thick reinforced stitching to prevent fraying and edge deformation. 【Easy to Install】: The measurement is taken from D-ring to D-ring, Leave 15-30cm space between the fixing point and the shade sail for the accessories or rope. The seam of the product points to the ground. The seam area of the stretched canvas points to the