... plastic ball diameter10mm100mm, are mainly used in the cosmetic packaging, sewage disposal, and for floating. Solid ... 29mm,35.2mm,35.56mmPE,PPCosmetic packagingGlass roll on bottle10ml,25ml,30ml,40ml,45ml,50ml,75ml, ... 80mlGlassCosmetic packagingPlastic roll on bottle6ml,30ml,40ml,50ml,60ml,75ml,120mlPPCosmetic ... receiving your order! 9mm plastic balls roll on bottles