RSI 12 x 12 Ft. Shade Cloth System - 80 Percentage Shade Creation The RSI Line of Shade Clothes from is designed to offer easy to use, shade producing cloth that is UV stable and will last for several years in the hottest environments. All our woven shade clothes are proudly made from black woven polypropylene strands. For more specific uses see our image charts for suggestions on what percentage of shade works best for various applications and plant types. The percentage listed above indicates the amount of shade that is being provided. This also reflects how tightly woven the shade cloths. Features UV stable polypropylene Helps to extend growing season Cool the space that is being covered the least expensive way Keeps plants, people and animals cool Reduces moisture loss Protects assets from bird-related damage Better ventilation that other materials 80 % Shade Cloth Shade Creation Size - 12 x 12 ft. Dimension - 144 x 1 x 144 in. Item Weight - 5 lbs.