3200 Series 2" Vinyl Upholstered Double Hinge Folding Chair, Supports Up to 300 lb, 18.5" Seat Height, Black, 2/Carton Designed with 2" upholstered box seat on a Masonite board with eight rivets. Features 18-gauge 0.88" round tubular frame. Two U-shaped double riveted cross braces. Double hinges for added stability and durability. Color coordinated V-tip stability plugs and polypropylene glides. Powder-coated frame.