The MI-930 adjustable stool will keep your office looking pristine. This easy to assemble rolling stool is perfect for the office, at home, or as a stand-in drum seat! With an ergonomic design emulating the natural shape of the spine, it increases comfort and productivity. A comfortable 2" thick cushion means you'll never stand up with a sore back. It features a 360° "All-Around" pneumatic adjustment lever that€™s easily accessible from any angle.