Built-in adjustable lumbar support / Spill & scratch resistant Optimizing the support to your spine and lower back, GC-03 is levelled up with a built-in adjustable lumbar support system which keeps your spine in its natural alignment all day long for a victorious game. The gaming chair is capable of holding a maximum load up to 170kg, providing superior stability and extended durability. It also features an enlarged seat surface of 56x56cm, offering a solid sitting experience.