Diana standard 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. Arms aremanufactured with aluminum die-cast arm structures clad with rigid nylon coverings. Standard arm color is black. Joints are hand tailored, coped, and brazed. 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.