HERCULES Series Heavy Duty, 3'' Thickly Padded, Upholstered Stack Chair with Arms Black Patterned/Fabric Heavy Duty .75'' Square Tubular Frame; .625'' Stretcher Bars in Front and Back provide Extra Support; 18-Gauge High Carbon Steel Frame; CA117 Fire Retardant Foam; Cherry Capped Arms; Plastic Floor Glides; Thick High Density Foam over .625'' Thick Plywood Seat and Back; Multi-Purpose Stacking Chair; Limited Lifetime Warranty on Frame; Silver Vein Powder Coated Frame Finish; Stacks 12 Chairs High; Plastic Bumper Guards; Frame Silver; Length 21; Width 21; Assembly Required NO; Finish Medium Wood Material Steel; Height 31; Color Black