... valve,Floating ball,and so onRoll on ball and holder8mm, 10mm,19.05mm,25.2mm,25.4mm,29mm,35.2mm,35 ... ,50ml,60ml,75ml,120mlPPCosmetic packaging25.4mm hollow Plastic Ball For Water Treatment1) We are specialize in producing plastic balls. Hollow plastic ball diameter10mm100mm, are mainly used ... valve,Floating ball,and so onRoll on ball and holder8mm, 10mm,19.05mm,25.2mm,25.4mm,29mm,35.2mm,35 ...