UPGRADE Sun Shade Sail 10' X 10' Sand Sail Shade Rectangle UV Block Canopy for Patio Shade & Outdoor Activities Great Quality: UPGRADE sail shade is constructed of 185 GSM HDPE (high density polyethylene), No recycled materials. 5 years warranty under normal use makes you worry about nothing. Widely used for decks, yard, garden, balcony, pool and pond, pergola, sandbox, driveway and other outdoor activities Ideal Protection: UPGRADE shade sails provide 85%-90% perfect shade, and 95%-98% protection against harmful UV rays, which of course reduce the heat and create a privacy, cool and fantastic place for your patio Permeable Design: UPGRADE sun shade sails allow the rain to pass through, so there is no pooling water and the shade sails wont drop. And the sun sails allow cooling breezes and light to pass through, providing better airy and comfortable space Durable Service: Stainless steel solid D-rings, strong stitched seam and double webbing on every side and connection with D-ring, and high density knitting make your shade sail to serve longer life. Normally choose smaller size than the size of the area where the shade sail is to be installed Easy to Install & Maintain: Please remember to leave an allowance of 1.5-2 ft between the fixing point and the shade sail to fit hardware, hooks, or ropes (hardware hooks, and ropes sell separately). And UPGRADE shade sail could be cleaned with mild detergent or water. But please do not scrub it with stiff brush or put it in washing machine