Solid pine and engineered wood frame with reinforced joinery. All wood is kiln dried for added durability. Fully upholstered. Plastic shadowline support legs in Black. Frame padding made with polyurethane foam. 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 3. Back cushions have foam fill. Handcrafted. Collection is modular and can be arranged in your desired configuration. Assembled in the USA.