[True Waterproof Protection] This waterproof shade sail 220GSM PES fabric with a thick PU coating blocks rain effectively. A 20 to 40-degree tilt prevents heavy water pooling. The waterproof sun shade sail keeps your small patio dry during sudden showers. [Excellent Solar Defense] High-density material blocks 95% of UV rays. This waterproof triangle/rectangle shade sail lowers the surface temperature significantly. Waterproof sun sail creates a cool retreat for your family in any garden or backyard space. [Versatile Outdoor Shelter] This waterproof outdoor shade sail fits your small patio, pergola, or pool area perfectly. The design works for carports and backyards. For long-term safety, this sun sail shade is not recommended for high-wind areas. [Long Lasting Durability] The rainproof shade sail 's curved edges ensure tension and a flat surface.This premium fabric resists fading under the sun.Light colors like beige offer optimal performance for outdoor use. [Reliable Performance Support] This sun shade sail includes a 3-year performance support window. We offer custom sizes for unique spaces. Every sail is proudly crafted within local American facilities for your home. We are dedicated to transforming your small patio into a sophisticated outdoor sanctuary for family relaxation. Every sail is designed to bring the "Quiet Luxury" aesthetic to your backyard while providing ultimate weather protection. Our mission is to help you enjoy the beauty of the outdoors without worrying about the elements.This 220GSM PES fabric features a thick PU coating to block rain effectively and provide a 95% UV block for solar defense. The concave edge design ensures maximum tension and prevents center sagging, though it may reduce the actual shaded footprint compared to the ring-to-ring measurements. For optimal performance, always install with a 20-40 degree tilt to ensure smooth water runoff and prevent pooling.This versatile cover is an excellent choice for your small patio, poolside, or garden pergola, creating a cool retreat for guests.DIY enthusiasts can easily set up a professional-looking shade using standard tension hardware on driveways or terraces. To ensure long-term safety and durability, we recommend avoiding installation in high-wind weather zones.