Vinyl Desk Height Chair with Medium Back and Round Tube Base is adjustable from 20.5-25.75 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, powder-coated steel base with fixed foot ring with stationary, non-marring glides suitable for hard floors in antibacterial/antifungal Borscht Supernova vinyl.