Cool Friend Sun Shade Sail Uv Top Outdoor Canopy Patio Lawn Triangle (16.5'x16.5'x22'11'', sand) Blocks up to 95% of UV, Easy to install Sun shade can be used over a patio, driveway or other outdoor area to protect against UV rays Made of high-quality sun screen fabric, so it blocks up to 90% of harmful UV rays Sail comes finished with strong stitched seam, fitted stainless steel eyelets and nylon chords for easy hanging From Feb 25-Mar 25 , Each 20 customers we will choose one customer for free ( who like our item leave us good review and show the picture share to facebook will have more chance)--TURE!!!