Regency's patent-pending Zeng Stacking Chair is not only unique but durable, sturdy and versatile as well. The seat and back are treated with an agent, which makes it perfect for schools, waiting rooms, cafeterias and more. A reinforced black metal frame is designed to support up to 400lbs and a built in handle makes moving the chair easier. limited manufacturer's warranty on chair bases and frames Designed by Regency Seating, the Regency Zeng Stack Chair (50 pack)- Grey is built for lasting quality and everyday use. Shop at OJCommerce and explore our collection with free shipping on every order.