... plastic ball diameter10mm100mm, are mainly used in the cosmetic packaging, sewage disposal, and for floating. Solid ball diameter 1mm--60mm, ... as PP,PE, POM, PA,PMMA and so on. The tolerance can be 0.01mm with good surface and ... 4mm,29mm,35.2mm,35.56mmPE,PPCosmetic packagingGlass roll on bottle10ml,25ml,30ml,40ml,45ml,50ml,75ml,80mlGlassCosmetic ... low prices.We look forward to receiving your order!