This DESINO Gaming Chair extends the full length of the back with support for the shoulders, head, and neck. Our chairs are crafted to perfection and designed to the bodies natural shape, you will find complete comfort with its Furniture Quality PU leather. Specification: - ? Height-adjustable Armrest - ? Retractable footstool - Tilt Locking mechanism 90-180 degrees angle adjuster - Height-adjustable gas spring cylinder - Sturdy five star base - Easy to move with color caster wheels - Orthopedically and ergonomically designed - Premium PU leather material - Headrest pillow and lumbar cushion are included - Load capacity up to 300 lbs Dimension: -Sitting height: 17.7-20.9 inch -Backrest dimension: 22.5"x30.5"(L x W) *Note:Be sure to install the product according to the instruction.