SD Gaming creates the perfect gaming environment with this stylish and ergonomic office chair. The Contoured Swivel Gamer/Office Chair with Tilt and Height Adjustable Seat and Arms by SD Gaming features a tapered 19” wide x 23” high back with lumbar support. The height-adjustable lever can be pulled out to recline the back up to 30-degrees then push it in to lock it into place. The tension control knob, below the seat, adjusts ease of movement for the back angle. The 20” wide x 17” deep seat adjusts in height from 18.5”-22” high. The nylon arms also adjust in height for added comfort. The PU/vegan leather covering combines red and black together for a sporty look. The durable steel 5-star base has a cool, chrome finish and has nylon casters that make it easy to move.