Contstruction: Metal Frame: 3/4 square tubular stainless steel legs and apron, welded, ground and polished into a seamless unit.Upholstery: Upholstered over urethane foam, no-sag springs, ultraflex and hardwood frame construction. .Finishes: Metal Frame: Available in polished or satin stainless steel or acid washed gray. Also available in Brutone bronze and gunmetal grays with upcharge.