Vinyl Medium Bench Height Stool is adjustable from 19.75-27.25 inches from the top of the seat to the floor and features ergonomic adjustments, including 360-degree, all-around control and black, nylon-reinforced fiberglass base with dual-wheel, self-braking, non-marring casters suitable for hard floors in antibacterial/antifungal Marine Blue Supernova Vinyl.