Flash Furniture Navy Blue Patterned Fabric Drafting Chair with Adjustable Arms (Cylinders: 22.5''-27''H or 26''-30.5''H) Contemporary Draft Stool Mid-Back Design Navy Blue Patterned Fabric Upholstery Back Depth Adjustment Knob Accordion Back Cover Contoured Seat and Back Swivel Seat Pneumatic Seat Height Adjustment Height Adjustable Padded Arms Two Seat Height Ranges with Gas Cylinder Height Extenders