Quality Control: High-density polyethylene shade fabric with durable D-rings in each corner. Reinforced edges and double stitched seams reduce wear and deformation Block UV Rays: Significantly blocking harmful ultraviolet rays and direct sunlight, reducing temperature. Allows cooling breezes and light to pass through for a better airy and comfortable space. Breathable fabric is not waterproof Installation: Leave an allowance of 1.5-2FT between the fixing point and the sunshade sail to fit hardware kits or ropes. Clean with mild detergent or water, do not scrub it with a hard brush Applications: Widely used over a courtyard, backyard, dooryard, lawn, garden, pool, pond, deck, park lot, carport, pergola, driveway, or any outdoor area to provide a sunshade, and make your patio cool and nice Note: The curved design prevents the sunshade from sagging and effectively utilizes the shade area. Please let us know if you prefer straight edge. the cloth is a material that can shrink, the deviation above 16 feet is 1-6 inches, and the error below 16 feet is 1-3 inches Goleray Sunshade Sail /Garden Canopy fits outdoor space of most families, offices or public places. If reasonably designed, our shade sails make the areas artistic and improve your life quality and taste. Assembly/disassembly convenience  The detailed installation instructions help you solve all possible problems during installation. Sails need disassembly due to season reason, and it is convenient. Sails can be washed with water and general detergents. High quality Heavy-Duty polyethylene materials . Cooler Keep cool in the sail shades, to protect against scorching sun and ultraviolet radiation Protect against 92% UV Recommended applications: yards, backyards, swimming pools, terraces, lawns, parking lots, children's play areas, BBQ areas, gardens and inlets or business places.