• Contemporary Adjustable Height Drafting Stool with Flip-Up Arms • Mid-Back Design with curved lumbar and breathable mesh material • Tilt Lock Mechanism rocks/tilts the chair and locks in an upright position • Tilt Tension Adjustment Knob adjusts the chair's backward tilt resistance • Padded White Mesh Upholstered Seat with CAL 117 Fire Retardant Foam • Waterfall Seat reduces pressure on your legs • Pneumatic Seat Height Adjustment • 5-Star Heavy Duty Nylon Base with Dual-Wheel Casters • Height Adjustable 20" Round Chrome Foot Ring Promotes Good Posture • Ideal for extended sedentary professions such as lab techs, architects, bank tellers, administrative personnel