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.