规格 180*200
.
高密度海绵
—
High density sponge
海绵材料的表面有许多小孔
There are many small holes on the surface
涂层后,不仅容易吸附涂料
it is not only easy to adsorb the coating
精钢独立弹簧
—
Fine steel independent spring
弹簧间单独支撑,独立伸缩
Independent support and expansion
可以根据身体不同部位的重量
According to the weight of different parts of the body
做相应支撑,保护脊椎
Protecting the spine