Volt task stool offers a unique combination of style, scale, comfort and functionality. Its real value is in its flexibility with the ability to work in virtually any environment. Generously proportioned seat cushion and natural cooling of a mesh back are welcoming to every body. Adjustable footring and extended 360-degree swivel allow movement in any direction. The footring adjusts in height easily with a simple knob for the best position for your legs and feet. Pneumatic seat-height adjustment ranges from 23-7/8" to 32-3/8". The five-star base includes 2-1/2" dual-wheel, hooded casters for easy chair movement. The cushioned seat is covered in fabric. Seat measures 19" wide x 18" deep. The back size is 18" wide x 18-1/2" high. Stool also features a plastic outer back, and frame is available in black only. Stool meets or exceeds applicable ANSI/BIFMA requirements.