打造舒适落“坐”感！ 高密度海绵的稳定感，软硬适中，提升臀部 腰部舒适度，久坐不累 High-density foam's sense of stability,moderate hardness, improve the comfort of hips and waist,sedentary. 杠杆原理分散体压人体工学设计 88 心 辅助矫正骨盆移位【 呵护脊椎贴合腰部