Designer Classics Features and Benefits: Back panel standard with same finish as frame, optional decorative Aluminum back panel available Premium metal base glide with rubber silencer standard COMFORTweb support system provides exceptional comfort for extended seating Luxurious layer of COMFORTmode foam supported by flexible rubber and polypropylene stretchband material Many upholsteries available to choose from Minimum purchase of 3 required. Warranty 5-year structural frame warranty