Ideal Choice For Shade: This Top Canopy,made of Polyester Taffeta,is waterproof and you can use it in a slightly rainy day,but not heavy rain. It can also shade the sun to prevent you from exposing to the blazing sun in summer. You can use it in the patios,backyard,deck,lawn,garden,carport,or any other outdoor area. *Reinforced Stitch Loop*: Each corner ends with iron ring for easy hanging,extra multiple heavy stitching to help the rings strongly attached to the shade sail. With the help of this structure,safely and durable that no wrinkle,flap or sag in wind.