Goplus 11.5'sun Shade Sail Uv Outdoor Triangle Garden Yard Awning Canopy Patio Top Cover Constructed of high density polyethylene weave fabric, it blocks 90% of the sun's dangerous UV rays while "breathing" to allow air to circulate and keep the environment underneath much cooler. Long life-durable and strong;firm structure-high strength Common Use: Sun shade, Swimming pools, Sports fields, Agriculture, Schools, Parking lots, Sports fields, Pergolas, Sceenhouse, Greenhouses, Barns Material: High-density polyethylene (HDPE), 100% High Density Polyethylene with U.V. stabilized Size: Approximately 11.5' x 11.5' x 11.5' Triangle (3.5m x 3.5m x 3.5m)&lt;br&gt;Color:offwhite