Vinyl Desk Height Stool with Back & Round Tube Base is adjustable from 23-28.25 inches from the top of the seat to the floor and features ergonomic adjustments including seat height and locking back tilt and black, powder-coated base with fixed foot rings and dual-wheel, self-braking, non-marring casters suitable for hard floors in antibacterial/antifungal Marine Blue Supernova Vinyl.