The Andaseat Phantom 3 gaming chair is ergonomically designed with superior steel frame for increased durability and comfort. The unique L-size features 12-32-16, 10-26-26, and 20-20-0-13 for excellent back and neck support. The one dimensional armrest, common seat tray, and 60mm casters provide additional utility. The chair also includes a big lumbar pillow and headrest pillow for further enhanced comfort. All of these features provide the ultimate gaming experience.