Giantex Ergonomic Kneeling Chair, Posture Chair for Desk with CushionAbout this item [Ergonomic Kneeling Chair]: The kneeling chair can keep your back in an aligned and upright posture, reducing pressure on the spine and relieving back and neck pain. In this way, the ergonomic kneel chair can improve your sitting posture and allow you to work in active & healthy way. [Curved Base for Flexible Rocking]: The curved rocking base makes it flexible to sway the kneeling chair back and forth. More, the rocking motion