olid and engineered wood frame.All wood is kiln-dried for added durability.High-gauge sinuous springs provide cushion support.Cushions have 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.Semi-attached seat cushion.360-degree wood swivel base.This contract-grade item is manufactured to meet the demands of commercial use in addition to residential. See more.Made in Mexico.