sun shade sail 1.material:poly,PE,PB,PVC 2.width:1-10m 3.weight:50-240g/m2 4.feature:convenient,scientific,cyclic Sun shade sail :Sun shade sail Material: HDPE ... the functions of anti-contraction, anti-UV, anti-brittleness, etc; besides, the applied UV stabilizers are resistant to both acidic and alkaline chemicals ...