Fully Customized Gaming Chair: The seat height can be adjusted from 19" to 23" to fit well with desks of different heights. Moreover, adjustable backrest (90-180 degrees) and 2D armrests allow you to find a suitable angle for working, gaming, reading, napping, etc. The height of armrests is also adjustable within a range of 3". Ergonomic Design & Massage Function: Featuring a high back, thick padded seat and armrest with PU surface, this gaming chair can provide strong support and comfort for your whole body. Additionally, the chair comes with a headrest and massage lumbar pillow to relax your waist muscles, which can give you a super comfortable gaming experience. High Quality & Durable Materials: Constructed with metal frame, this gaming chair is sturdy and durable enough for long time use with bearing capacity up to 330 lbs. Meanwhile, the smooth PVC leather surface offers a soft touch and great wear-resistance. Moreover, the chair comes with a superior class-3 gas