Industrial Chic Retro Style Swivel Adjustable Height Barstool Bar Stool, Metal Steel with Anti-rust Stainless Coating Round Top, for Lounge Cafe Restaurant Pub Counter Kitchen Island Material: metal(steel) Seat Height:16.1"-24"; Seat Diameter:13.4" Total Dimension: 13.8*13.8*16.1-24 inches (length x width x Height) Corkscrew adjustable stools No assembly required