Made to complement adirondack chairs, the adirondack ottoman is constructed of UV-protected, weather-resistant polystyrene. Unlike wooden furniture, the simulated wood will not splinter or rot and never needs to be painted or varnished. So put your feet up and enjoy a relaxing afternoon with family and friends. The adirondack ottoman product is the perfect addition to your patio set. This adirondack ottoman - constructed of UV-protected polystyrene simulated wood.