The Storm Series is made of Sunbrella, the ultimate outdoor fabric. Its acrylic fibers and the unique weaving technique gives it a velvety feel and water repellent feature. The fabric is protected by an invisible shield around each of the fibers to keep the fabric dry and clean. The Sunproof fabric is 100% recyclable and friendly to the environment due to the dye bath process used. It applies excellent ultraviolet blocking, which protect the polymer backbone of the fabric from the effects of UV radiation. Therefore Sunbrella has as an outdoor fabric proven to have a strong ability to withstand the effects of prolonged exposure to sunlight, wind, rain and humidity.