PROFESSIONAL GAMING CHAIR: We are the official sponsor of top pro teams,.Funuo is highly regarded by the global professional team and always strive for providing ultimate gaming experience for our worldwide customers. ERGONOMIC DESIGN:Ergonomic design that conforms to your body for a perfect gaming experience, flexible adjustable head and lumbar pillows provides better comfort and support,no more back pain or fatigue for long time gaming or working HIGH-QUALITY MATERIAL:11cm thick cushion with good resilience,and won't collapse after long sitting.carbon fiber leather provides more comfortable tactility than normal leather, SGS level 4 Gas Lift , high-quality nylon base with smooth-rolling castors make a superb stable structure, ensuring the service life and safety of the gaming desk chair. MULTIFUNCTION:360 degree swivel, 25º rocking, chair back can be locked at any angle between 90º and 135º, 6cm Heighten 2D armrests provides comfortable support for elbows,adjustable seat height, suitable for home office and games INSTALLATION AND EXCELLENT AFTER-SALES SERVICE: We provide detailed installation instructions to ensure your quick installation, Any dissatisfaction with our products, please contact us at first, we will do our best to solve the problem for you.