[Shade for the summer] This rectangular shade sail blocks 80 to 85% of the sun's rays, create a corner of well-being on your terrace. Tip: the darker the color of the fabric, the better the protection against the sun [Air and water permeable] This 3 x 4 m canvas is made of 180 g/m² HDPE fabric, it is air and water permeable to prevent summer heat from accumulating under the shade sail. It does not protect against rain [Strong & Durable] The ends are reinforced with multiple layers of well-sewn fabric. The concave shape distributes wind force and increases tear resistance. The stainless steel D-rings are rustproof and durable [Accessories and assembly] 4 x 2 m ropes are provided. It is recommended that the distance between the fixing point and the stainless steel ring be at least 30 cm. Once installed, tighten it regularly in a balanced manner