Solid and engineered wood frame. Solid wood legs in a Blonde or Cool Walnut finish. High-gauge sinuous spring and webbed seat cushion support. Seat cushion has fiber-wrapped, high-resiliency polyurethane foam cores. Seat firmness: Medium. On a scale from 1 to 5 (5 being firmest), we rate it a 4. Sectional pieces attach via alligator clips (included). This contract-grade item is manufactured to meet the demands of commercial use in addition to residential. See more. Made in Thailand.