POLYWOOD lumber is a proprietary material which includes landfill-bound and ocean-bound plastics Weatherproof and withstands a range of environmental stressors, including hot sun and cold winters Cleans easily with soap, water, and a soft-bristle brush. No other maintenance required Assembles easily with clear instructions and marine-grade quality hardware 20-year residential and 3-year commercial warranty; Made in the USA Add some romance to your favorite outdoor living space with the POLYWOOD Vineyard 3-Piece Curveback Adirondack Set (PWS418-1), which includes two Vineyard Curveback Adirondack Chairs (AD600) and a Round 18” Side Table (RST18). Each chair offers exceptional comfort with curved backs and gently contoured seats that merge seamlessly with waterfall fronts. Wide armrests further increase your enjoyment, while the side table sits at just the right height for resting your drinks or snacks. Made in the USA, the Vineyard 3-Piece Curveback Adirondack Set is made from POLYWOOD lumber, a durable alternative to natural wood that will not splinter, rot, or peel. Maintaining the set is as easy as washing it with soapy water—no painting, staining, or other time-consuming refinishing required. So slip into the oversized seats of the Vineyard Curveback Adirondack Chairs and enjoy your shared outdoor living space!