Vinyl Medium Bench Height Stool with Back is adjustable from 20.75-28.75 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 black, nylon-reinforced fiberglass base with stationary, non-marring glides suitable for hard floors in antibacterial/antifungal Carbon Supernova Vinyl.