Core Industrial Black Polyurethane Medium Bench Height Chair with Round Tube Base is adjustable from 21-28.5 inches from the top of the seat to the floor and features manual back height and back depth adjustments, built in handle for ease of movement, and black, powder-coated steel base with fixed foot ring with stationary, non-marring glides suitable for hard floors in chemical, soil, and puncture resistant polyurethane.