... price 2) we are the factory of manufacturing product stainless steel balls for rolling on the bottle1) We are specialize in ... Product nameSpecificationMaterialApplicationSolid ball1mm-60mmPP,PE,ABS,POM,PA,PMMATrackball,Ball valve,Bearing ball, Roll on ball,and so onHollow ball10mm- ... ball and holder8mm, 10mm,19.05mm,25.2mm,25.4mm,29mm,35.2mm,35.56mmPE,PPCosmetic packagingGlass roll on bottle10ml,25ml ...