About This Product Vinyl Desk Height Chair with 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, 6-way adjustable arm rests, 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. Features Desk height Supernova vinyl has a textile look and feel with the cleanability of vinyl and an added biocide for additonal cleanliness Casters