The RAVEN stool swivels on a sturdy steel post and is custom adjustable in height on a German rated TVAC piston mechanism. The upholstery is a breathable and easily cleaned leatherette. The seat construction is made from high quality foam to ensure comfort and longevity. The pedestal of this stool is powder coated in a modern matte black finish allowing it to coordinate with all kinds of kitchen finishes and stone counters.