Multifunctional mesh office chair with 360 ° rotation, height adjustable, turnover armrest, durable nylon base and flexible 360 ° rotation casters to improve mobility and stability. Turn over the armrest, fold the armrest when not in use, and put the office chair under the table to save space. A breathable mesh office chairs, fabric mesh cushions, and mesh fabric are comfortable, breathable, elastic, and not easy to deform. High-density mesh back provides firm back support and good ventilation.