Vinyl Medium Bench Height Mini-Stool is adjustable from 20.75-27.75 inches from the top of the seat to the floor and features ergonomic adjustments, including 360-degree, all-around control and black, nylon-reinforced fiberglass base with dual-wheel, self-braking, non-marring casters suitable for hard floors in antibacterial/antifungal Storm Supernova vinyl.