Frame is crafted from kiln-dried engineered hardwood.Wood base is crafted from klin-dried solid hardwood.High-resiliency cushions for a firmer feel.Mortise-and-tenon joinery provides exceptional structural integrity.Kiln-dried wood helps prevent warping, splitting, cracking and developing mildew.No-sag steel sinuous springs provide cushion support; 70% recycled metal sinuous arc spring.Square legs are removable; Seadrift finish.Upholstered in your choice of fabric.Select from 1 seater, 2 seater, 3 seater, corner and curved to fit your specific needs.Modules connect using sectional connector for endless ganging.Create custom seating that you can tailor to your space perfectly.