Practical, versatile, lightweight and durable are among the adjectives used worldwide to describe the System 12 stacking chair. Ideal for cafeterias, training rooms, auditoriums, classrooms and lobbies, System 12 chairs provide an ergonomically contoured seat and back constructed of uniquely textured, nonslip polypropylene. Options include upholstered seat and back, tablet arms, bookracks and ganging connectors. System 12 chairs, with and without arms, stack interchangeably up to 40-high.