Sunbrella Sling Keetley Prairie 5317-0000 is made from PVC-coated polyester and Sunbrella acrylic and comes in a variety of woven mesh colors and styles. Used primarily in sling chair applications, Sunbrella Sling Keetley Prairie 5317-0000 is flexible, yet strong, making Sunbrella Sling the most popular sling fabrics on the market. Sunbrella Sling fabrics are designed to expand your outdoor seating options with fashionable colors and patterns. Sunbrella Sling may be purchased by the yard or the roll.