Diana armless chairs stack five high. Backs are two-piece, precision-match molded. Metal-to-Metal fasteners attach back and seat. Multi-ply veneer plywood adds strength to seat, inside back and outside back. Upholstered seat and back are standard. Technical Bulletin CAL 117 fire retardant upholstery materials are standard. All metal chairs have an oven-baked epoxy/polyester finish. See our Metal Finish Selector for finish options. Call factory for pricing on dolly's, carts, and hand trucks.