8100 Series Poly Shell Stacking Chair, Supports Up to 500 lb, 18" Seat Height, Blue Seat, Blue Back, Chrome Base, 4/PackThe lightweight 8100 Series Poly Shell Stacking Chair is ideal for environments such as cafeterias and lounges. It features a one piece seat and backrest made from a high density, injection molded, color impregnated polypropylene shell. The 17 gauge square tubed frame has six stack bumpers to protect the chrome plated finish and extended shields to prevent the user from any undesired snags or pinches. Note: This is a non returnable item.