Vinyl Desk Height Stool with Back in Chrome is adjustable from 19.25-24.25 inches from the top of the seat to the floor and features ergonomic adjustments including seat height and locking back tilt, locking seat tilt, and cast-aluminum base with chrome-hooded, dual-wheel, self-braking, non-marring casters suitable for hard floors in antibacterial/antifungal Borscht Supernova Vinyl.