Made of Polywood recycled plastic the Shell Back Adirondack chair is perfect for dock, pool side and beach side area. Recycled Plastic Polywood Lumber is made from over 90% post consumer plastic and High Density Polyethylene which is impervious to all types of weather conditions including rain, snow, salt water, sun and ice. Polywood has color fastness and UV inhibitors to reduce fading. Polywood never splinters, warps or corrodes and is tougher and more resilient than treated wood. Call for Quantity Discounts.