... plastic balls. Hollow plastic ball diameter10mm100mm, are mainly used in the cosmetic packaging, sewage disposal, and for floating. Solid ball diameter ... materials, such as PP,PE, POM, PA,PMMA and so on. The tolerance can be 0.01mm with good surface and precision ... 25.4mm,29mm,35.2mm,35.56mmPE,PPCosmetic packagingGlass roll on bottle10ml,25ml,30ml,40ml,45ml,50ml,75ml,80mlGlassCosmetic packagingPlastic ...