Vinyl Desk Height Stool with Round Tube Base is adjustable from 21.75-27.25 inches from the top of the seat to the floor and features ergonomic adjustments, including 360-degree, all-around control and black, powder-coated steel base with fixed foot ring and dual-wheel, self-braking, non-marring casters suitable for hard floors in antibacterial/antifungal Marine Blue Supernova Vinyl.