Extra firm back support and seat cushion. High density foam with good PU leather,durable casters. 1. Color: Burgundy, Black, Sand,Curry, Brown2. Gas cylinder capacity: 280bls3. Cushion foam: 3 inches durable foam4. Seat adjustable: 3 inches to 5 inches5. Cushion material: Durable Pu leather6. Swivel: 360 degrees Technician Stool