Ediors&reg; Contemporary Plastic Acrylic Hydraulic Lift Adjustable Height Bar Stool Chair with Chrome Base Set of 2 (WHITE) Rounded Back Design. Contoured ABS Seat. Swivel Seat. Height Adjustable Seat with Gas Lift. Foot Rest. Chrome Base. Overall Width: 18.25"W. Overall Depth: 18.25"D. Overall Height: 30.25-38.75"H. Weight Capacity: 330 lbs. Seat Size: 16"W x 12.5"D. Back Size: 15"W x 7"H. Seat Height: 24-33"H. 360 degree swivel and hydraulic piston for height adjustment