16' X 20' Dark Green UV Rated 70% Blockage Prefabricated Sunblock Shade Panel, Shade Tarp Panel, Greenhouse Shade Cover W/Grommets Knitted HDPE Polyethylene Design Water and UV Resistant Fabric 4-Ply Reinforced Binding Tape for Extra Strength #4 Large Brass Grommets for Easy Installation Maximum Air Passage