... 10mm,25.2mm,28.8mm,35.2mm ◊ roll on ball and holder for deodorant and perfume◊ Widely used ... PA,PMMATrackball,Ball valve,Bearing ball, Roll on ball,and so onHollow ball9.5mm-100mmPP,PE,HDPERoll ... ball,Ball valve,Floating ball,and so onRoll on ball and holder8mm, 10mm,19.05mm,25.2mm ... ,29mm,35.2mm,35.56mmPE,PPCosmetic packagingGlass roll on bottle10ml,25ml,30ml,40ml45ml,50ml,70ml,75ml,80mlGlassCosmetic ...