Hand-built frames with hand-finished upholstery.Solid oak and engineered hardwood frame with reinforced joinery.All wood is kiln-dried to prevent warping.High-gauge sinuous springs provide cushion support.Seat cushions have fiber-wrapped, high-resiliency polyurethane foam cores.Seat firmness: Soft. On a scale from 1 to 5 (5 being firmest), we rate it a 2.Back cushions come with poly core wrapped in down & feather blend.Reversible cushions with zip-off covers (chaise cushion is not reversible).Concealed support legs (removable) for a streamlined profile.Sectional pieces attach via alligator clips (included).Assembled in the USA.