Instahut Shade Sail Cloth Shadecloth Canopy Triangle 280gsm 5x5x7.1mInstahut Shade Sail Cloth Shadecloth Canopy Triangle 280gsm 5x5x7. 1m Set sail into the sunset. A simply beautiful experience. Similarly, that's also true with our Shade Sail. Designed to be a permanent covering, our Shade Sail is made from highly breathable 280g commercial grade 100% polyethylene fabric. This allows cooling air to pass through and help keep the under shade areas well ventilated. The material also blocks up to 98% of harmful UV rays