[360 degree free rotation]the mesh white swivel office chair is ergonomically designed to make you more relaxed while resting.The new heavy-duty metal base and 360-degree rotatable nylon smooth rolling casters can be easily moved to other places,providing us with great stability and mobility when using the office chair,to a certain extent to avoid scratching the floor,but also do not have to worry about disturbing others to rest. [Soft seating experience]the surface of the office chair is composed of high-density sponge,more elastic,the office chair is designed with a middle butterfly backrest,it can provide good lumbar support to make you feel comfortable.Adjustable seat tilt angle and adjustable height,it can provide a larger weight-bearing area and can reduce body pain.Thicker armrests and high-density mesh fabric are breathable and more comfortable to sit on,and also protect your lumbar spine and back. [Ergonomic Design & New Patent]The executive office chair is des