Perry(r) stack chairs offer surprising comfort in a high-density stack chair. Designed by renowned sculptor, architect and designer Charles Perry, the stack chair offers an articulating back. The seat is suspended from the lower back, so the occupant's weight perfectly counterbalances the tilting pressure on the backrest.All three Perry models - armless, with arms and tablet arm - are available in polypropylene, upholstered or cushioned and upholstered.