OFM 118-2-AA-DK-805 Posture Series Task Chair with Arms and Drafting Kit 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 Drafting kit includes extra-tall Seat lift and adjustable foot ring 360-degree swivel and Sturdy 25" 5-star wheeled base with 250lb weight capacity