POLYWOOD lumber is a proprietary material which includes landfill-bound and ocean-bound plastics Weatherproof and built to withstand all four seasons and a range of climates Cleans easily with soap, water, and a soft-bristle brush. No other maintenance required Clear instructions and marine-grade quality hardware make assembly a snap 20-year residential and 3-year commercial warranty; Made in the USA Enjoy the company of family and friends in your favorite outdoor living area with the POLYWOOD Vineyard 5-Piece Oversized Adirondack Chair Set (PWS400-1). With four Vineyard Curveback Adirondack Chairs (AD600) one Round 38” Conversation Table (RCT38), the Vineyard 5-Piece Oversized Adirondack Set is the perfect seating set for large patios, decks, and poolside locations. Vineyard Curveback Adirondacks feature oversized seats, curved back slats, and waterfall fronts for the maximum in comfortable seating, while the Round Conversation Table offers plenty of room for drinks, snacks, and board games. Invite friends over for a card game or gather the family outside for a summer barbeque around this elegant seating set, available in a range of attractive, fade-resistant colors. Unlike real wood, your Vineyard 5-Piece Oversized Adirondack Chair Set is built to withstand year-round environmental stressors and never needs painting or staining. Only minimal maintenance is required!