Please read the product manual carefully before buying. If you have any questions, please contact us.Product Name: Right Angle Triangle Shade SailMaterial: 100 percent Oxford clothStyle Function: camouflage, mountaineering, fishing, waterproof, thin, ultra-light, warm, wild survival, adventure, picnicProduct Features:1.Easy to Installation and Maintenance-Installation: Measure and clean the area where the shade sail is to be installed. Leave an. allowance of 1.5-2ft between the fixing point and the shade sail to fit hardwares or hooks or ropes.2.Maintenance: Clean with mild detergent or water, do not scrub it with a stiff brush, do not put it in your washing machine, clothes drier.3.Long Use Time-5 years under normal use and weather. Please note that shade cloth is a material can shrink, usually it need tolerance for and-6 inch for each side, thank you.4.Ideal Shade Solutions-Widely used over a patio, lawn, garden, pool, pond, deck, kailyard, courtyard, backyard, dooryard, park, carport, pergola, sandbox, driveway or other outdoor area to provide 80 percent -85 percent sunshade and protect against 95 percent up to 98 percent harmful UV rays, and make your patio privacy safe, cool and fabulous.