... mainly used in the cosmetic packaging, sewage disposal, and for floating. Solid ball diameter 1mm--60mm, mainly used in ... as PP,PE, POM, PA,PMMA and so on. The tolerance can be 0.01mm with good surface ... 4mm,29mm,35.2mm,35.56mmPE,PPCosmetic packagingGlass roll on bottle10ml,25ml,30ml,40ml,45ml,50ml,75ml,80mlGlassCosmetic ... to receiving your order! . 25.4mm roll on ball with fitment for cosmetic packing