Kiln-dried pine and engineered wood frame with reinforced joinery. Webbed cushion support. High-resiliency polyurethane foam that is fiber-wrapped for extra comfort. Seat firmness: Medium. On a scale from 1 to 5 (5 being firmest), it's a 3. 360-degree swivel base. This contract-grade item is manufactured to meet the demands of commercial use in addition to residential. See more. Imported; upholstered in Mexico. Patent pending.