Hand-built frames with hand-finished upholstery.Engineered wood frame and legs in a Cool Walnut finish.All wood is kiln-dried for added durability.High-gauge sinuous springs provide cushion support.Seat cushions have fiber-wrapped, high-resiliency polyurethane foam cores.Seat firmness: On a scale from 1 to 5 (5 being firmest), it's a 4.Back cushions are fiber filled.Loose cushions with zip-off covers; seat cushions are reversible.