Ideal Shade Solutions and UV Block:Shade sails are especially effective in shading outdoor areas with greater sun exposure.They are 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 85%-93% sunshade and protect against 95% up to 98% harmful UV rays.They provide a stylish look and make your area privacy safe, cool and fabulous.Premium Material:Coolyard sun shade sail is constructed of 185gsm UV protected HDPE shade fabric with durable st