The Mainstay Adirondack Ottoman is the perfect accessory for your favorite outdoor patio seat. Crafted with our trademark high-quality materials and available in a multitude of eye-catching colors, this ottoman is equal parts durability and style. Pair with our Mainstay Adirondack to elevate your relaxation for the perfect outdoor day. Crafted of an extruded UV20 rated high-density polyethylene resin, color stabilized for up to 20,000 hours of direct sunlight UV stable, moisture and mildew resistant Withstands outdoor environment swelling, splintering fading or warping Plastic.Products shall be free from material defects, and shall not splinter, crack, chip, peel, or rot for ten (10) years for residential use and two (2) years for commercial use from the date of purchase. Hardware.Warranted to perform as required for five (5) years for residential use and one (1) year for commercial use from the date of purchase. For routine cleaning, use water and a gentle washcloth or microfiber towel For deep cleaning, use water, mild detergent and a soft-bristle brush. If power washing is desired, start with a low PSI at least 3ft away from the furniture. While power washing, check often to ensure no inscription is being made on the furniture.