Engineered wood interior frame.All wood is kiln-dried for added durability.Metal legs and exterior frame in a Matte Black finish.Seat cushion has a fiber-wrapped, high-resiliency polyurethane foam core.Seat firmness: Medium. On a scale from 1 to 5 (5 being firmest), we rate it a 3.Loose, non-reversible seat cushion.This contract-grade item is manufactured to meet the demands of commercial use in addition to residential. See more.Made in China.