Shade for the summer] This square 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 [Permeable to air and water] This canvas is made of 180 g / m² HDPE fabric, it is permeable to air and water to prevent the heat of summer from accumulating under the shade sail. It does not protect against rain [Resistant & durable] The ends are reinforced with several layers of well-sewn fabric. The concave shape distributes the force of the wind and increases tear resistance. Stainless steel D-rings are rustproof and durable [Choose the right size] Choose according to your space and the size of the shade you want. See the tips on the product images