Solid wood legs in a Chocolate finish. Engineered hardwood frame with reinforced joinery. All wood is kiln-dried to prevent warping. Cushion support: high-gauge sinuous springs (made-to-order fabrics) or webbing (stocked fabrics). Seat cushions have fiber-wrapped, high-resiliency polyurethane foam cores. Seat firmness: Medium. On a scale from 1 to 5 (5 being firmest), it's a 3. Back cushions are poly fiber filled. Reversible cushions with zip-off covers (chaise cushion is not reversible). Legs can be removed. Sectional pieces attach via alligator clips (included). Made-to-order options are hand assembled and upholstered in the USA; stocked options are made in China.