This gaming chair extends the full length of the back with support </br>for the shoulders, head, and neck. Our chairs are crafted to </br>perfection and designed to the bodies natural shape, you will find </br>complete comfort with its furniture quality pu leather. </br> </br>Specification: </br>Tilt locking mechanism 90 to 180 degrees angle adjuster </br>Height adjustable gas spring cylinder </br>Sturdy metal star base </br>Easy to move with color caster wheels </br>Orthopedically and ergonomically designed </br>Premium pu leather material </br>Headrest pillow and lumbar cushion are included </br>Load capacity up to 300 lbs </br> </br>Dimension: </br>Sitting height: 17.7 to 20.9 inch </br>Backrest dimension: 22.5 and 30.5 inch </br> </br>Note:Every chair have detailed instruction and easy to </br>setup,helping you finished installation less than 30 minutes