... of ball and roll on bottle product name specificationmaterialapplication solid ballsize:1mm--60mmPP,POM,PA(NYLON),PC,ABS,PE ... so on hollow ballsize:10mm--100mmPP,POM,PA(NYLON),PC,ABS,PE,HDPE and so on Usage: ... package,industrial ,track ball,and so on plastic roll on bottle 50ml,75ml PP,HDPE,PE cosmetic ... .4mm,29mm,35.2mm,35.56mmPE,PPCosmetic packagingGlass roll on bottle10ml,25ml,30ml,40ml,45ml,50ml,75ml ...