... manufacturing products. 8mm AISI304HC stainless steel roll on ball1) we are specialize in producing stainless steel balls. The balls have ... 2)the ball is made by 304 stainless steel, and the holder is made by plastic.3) our products ... 4mm,29mm,35.2mm,35.56mmPE,PPCosmetic packagingGlass roll on bottle10ml,25ml,30ml,40ml,45ml,50ml,75ml ... to receiving your order! 8mm AISI304HC stainless steel roll on ball