【Premium Material】made of advanced 420D polyester oxford fabric (PES), Not HDPE materials, our sun shade sail features durable and waterproof, higher resistance to high temp and shrink than HDPE materials.. Up to 95% UV protection and 85% shade rate provide you shadow in burning sunshine. The sail surface is waterproof & anti-moisture, Water condenses to drops and rolls on the surface without penetrating the fabric. 【Easy To Install】Each corner ends with stainless steel D-ring for easy hanging, extra heavy stitching to help the D-rings strongly attached to the shade sail. We recommend installing the awning at an angle of 20 to 40° to maximize drainage. The seamed side pointing to the bottom will better avoid water accumulation. 【Wide Range of Application】The outdoor sun shade sail is perfect for gardens, patios, terraces, swimming pools, children's playgrounds, BBQ areas, campsites etc. Covered area temperature lower at least 10 degree to keep you cool in summer. 【Remarkable Designed】The shade sail canopy is a rectangle shape with curved sides, enhancing pull strength and preventing drooping. Webbing: special braided structure and curved surface prevent deformation, concave cut for distributing the tension evenly. 【Warranty】This sun sail shade is a made to last for 3 years under regular weather. Offering 100% customer satisfaction service is our goal, but if you don't like please return it within 30 days to get a full refund.