This modern sectional is all about comfort. Pillowy-soft cushions top the boxy silhouette. Hand-built frames with hand-finished upholstery. Includes a pull-out mattress and storage chaise. Engineered hardwood frame with mortise & tenon joinery. All wood is kiln dried for added durability. Lumbar pillows and throw pillows included. High-gauge sinuous springs provide cushion support. Seat cushions: Fiber-wrapped high-density polyurethane foam. Back cushions: 50% polyester fiber, 45% duck feather and 5% duck down in down-proof ticking. Loose, reversible cushions with zip-off covers. Sleeper sofa folds out to reveal a Queen-sized mattress. Mattress is made from polyester fiber padding and has a platform-style support to eliminate the need for bars or springs. Sectional pieces attach via alligator clips (included). Modular pieces are easy to move and can be used standalone or added on to later. To see the full assortment of potential add-on pieces, see the Harmony Modular Collection page. Assembled in the USA.