Class 100 Clean Room Core Industrial Blue Polyurethane Medium Bench Height Chair in Chrome is adjustable from 19.5-27 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, 2-way adjustable arm rests, chrome adjustable foot ring, and cast-aluminum base with stationary, non-marring glides suitable for hard floors in chemical, soil, and puncture resistant polyurethane.