Hand-built frames with hand-finished upholstery. Solid oak and engineered hardwood frame with reinforced joinery. 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: Soft. On a scale from 1 to 5 (5 being firmest), it's a 2. Back cushions are poly fiber filled. Reversible cushions with zip-off covers (chaise cushion is not reversible). Sectional pieces attach via alligator clips (included). Concealed support legs for a streamlined profile (removable). Assembled in the USA.