... , are mainly used in the cosmetic packaging, sewage disposal, and for floating. Solid ball diameter 1mm--60mm, mainly used in the ... onRoll on ball and holder8mm, 10mm,19.05mm,25.2mm,25.4mm,29mm,35.2mm,35.56mmPE,PPCosmetic packagingGlass roll on bottle10ml,25ml,30ml ... with low prices.We look forward to receiving your order! . 25.4mm roll on ball with fitment for cosmetic packing