Belle Dura Custom Size 16 X 16 X 226 Triangle Dark Grey Sun Patio Shade Sail Canopy Use For Patio Backyard Lawn Garden Outdoor Awning Shade Cover-185 Gsm-Create Your Own DesignBELLEDURA shade sail block 98% of UV rays, using High Density 185gSM Polyethylene fabric At the same time, it is sturdy and durable, with a normal use time of up to five year..