Hand-built frames with hand-finished upholstery.Solid eucalyptus and engineered hardwood frame with reinforced joinery.High-gauge sinuous springs provide cushion support.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 4.Back cushions are foam and fiber filled.Cast metal legs.Sectional pieces attach via alligator clips (included).Loose cushions with zip-off covers; sofa seat cushions are not reversible and ottoman cushion is fixed.Hand assembled in the USA.