... products. Product nameSpecificationMaterialApplicationSolid ball1mm-60mmPP,PE,ABS,POM,PA,PMMATrackball,Ball valve,Bearing ball, Roll on ball,and so onHollow ... ball10mm-100mmPP,PE,HDPERoll on ball,Bearing ball,Ball ... 25.4mm,29mm,35.2mm,35.56mmPE,PPCosmetic packagingGlass roll on bottle10ml,25ml,30ml,40ml,45ml,50ml,75ml,80mlGlassCosmetic ...