Kiln-dried wood frame with reinforced joinery. Fiber-wrapped foam cushioning. Seat firmness: Medium. On a scale from 1 to 5 (5 being firmest), it's a 3. 360-degree metal swivel base in a Black finish. Loose, reversible seat cushion (Astor Velvet excluded). Assembled in the USA. U.S. Patent Number: D880180.