OFM 118-2-AA-806 Posture Series Task Chair with Arms Chair features ergonomic adjustments for Seat Height, Back Height and Back pitch Back and Seat fully upholstered in Stain-resistant fabric rated to withstand heavy use Built-in lumbar support for comfort hour after hour 7-Position height-adjustable arms for customized upper body support 360-degree swivel and Sturdy 25" 5-star wheeled base with 250lb weight capacity