FifthQuarter Shade Sail is made of 100% brand new 185 GSM HDPE, which can block 87% harmful UV rays while effectively reducing the temperature underneath by up to 45%. Prolonged exposure to UV radiation can cause damage to the skin, eyes and immune system. So install our Sun Shade Canopy to enjoy fun off the sun while keeping cool and free from the damage of long-time sun exposure. Rectangle Sun Shade can effectively increase the shadow area and add a bright color to your outdoor space. Size: 100 ft x 100 ft Color: Sand Material: High Density Polyethylene UV Protection: 87% Shading Rate: 90% Special Feature: UV Protection, Sun Blocking, Cooling, Increasing Privacy, Leaf & Dust Barrier Package Including: 1x Shade Sail Rectangle