Harmony is our most comfortable sectional ever, thanks to its deep seat, plush cushions and go-anywhere lumbar and throw pillows. This modular version has dual functionality: Its pieces create your dream sectional today but can be used standalone in the future or even be added on to (with select styles). Each has reinforced joinery and is assembled in the USA. KEY DETAILS See Details + Dimensions tab for complete list of measurements by piece. 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. Seat firmness: Soft. On a scale from 1 to 5 (5 being firmest), we rate it a 1. Back cushions: 50% polyester fiber, 45% duck feather and 5% duck down in down-proof ticking. Cushions are reversible. Assembled in the USA.