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.