Whether it's for the cafeteria, corporate banquets or casual gatherings, the National Public Seating 9200 upholstered Dome Back is built and priced to fit! Both seat and back have a plywood core. The fabric seat cushions are durable and Scotchguarded for protection. In addition, the self-leveling plastic glides make these chairs very "floor-friendly." Introducing a dolly easily makes groups of these chairs very portable.