... :8mm, 10mm,25.2mm,28.8mm,35.2mm ◊ roll on ball and holder for deodorant and perfume◊ Widely used in cosmetics industry .◊ Light ... ball9.5mm-100mmPP,PE,HDPERoll on ball,Bearing ball,Ball valve,Floating ball,and so onRoll on ball and holder8mm, 10mm,19.05mm,25 ... .2mm,25.4mm,29mm,35.2mm,35.56mmPE,PPCosmetic packagingGlass roll on ...