Blue Polyurethane Medium Bench Height Chair with Medium Back and Round Tube Base is adjustable from 23.5-31.25 inches from the top of seat to the floor and features ergonomic adjustments including seat height and locking back tilt, 6-way adjustable arm rests, and black, powder-coated steel base with dual-wheel, self-braking, non-marring casters suitable for hard floors in chemical, soil, and puncture resistant polyurethane.