Flash Furniture Mid-Back Purple Quilted Vinyl Swivel Task Chair with Arms Contemporary Task Chair. Swivel Seat. Dual Wheel Casters Mid-Back Design. Contoured Seat and Back Purple Vinyl Upholstery. Pneumatic Seat Height Adjustment Quilted Design Covering. Nylon Arms. Heavy Duty Nylon Base Seat size is 16.5 inches wide x 16.5 inches deep. Arm height from seat is 7.5 inch height