Norwood Commercial Furniture Industrial Polyurethane Drafting Stool with Tilt Control and Foot Ring, NOR-IAH1041-SO Seat height: 22" - 31" (adjustable)/Seat size:18 W x 16 3/4" D (thickness 1 ) Material: Seat- Polyurethane over foam/ Frame-Steel w/chrome finish Assembly required Warranty: 5 years Weight Capacity: 300 lbs