UV Protection: Up to 95% sun protection! Shade sails can block 95% of harmful UV rays and provide shade outdoors, you can place them in gardens, balconies, swimming pools, playgrounds, holiday camping, etc., or as a privacy screen, allowing you and your family to enjoy a safe, cool and UV-protected area. Waterproof: Made of 100% new high-density polyethylene fabric (160g/m²) with waterproof coating on the surface, it can effectively play the role of a waterproof sail canopy and become a waterproof pergola cover, garden awning, balcony awning, carport, etc.PLEASE NOTE: Sloped to allow rainwater to flow away, it is not recommended to use in storm, torrential rain and blizzard. Sturdy and Durable: The curved design shows artistic beauty, stretching the sun sail perfectly, neatly and stably, preventing the sun sail from wrinkling and sagging. All edges are finished with double-thickness reinforced stitching to prevent fraying and edge deformation. Good elasticity, excellent durability,