Style No PY922 - 4 Springs on the back to support the waist and align the spine - Adjustable closure to fit more sizes - Made of Neoprene - Avalible colours: Beige/Black/Blue/Dark Grey/Any other colour with MOQ - 4彈簧條可支撐,挺直脊椎 - 材質: Neoprene - 顏色:米色/黑色/藍色/其他顏色(MOQ)