... products. 1) We are specialize in producing plastic balls. Hollow plastic ball diameter10mm100mm, are mainly used in the cosmetic ... mainly used in the industry of bearing.2) Plastic balls are made of different materials, such as PP ... and holder8mm, 10mm,19.05mm,25.2mm,25.4mm,29mm,35.2mm,35.56mmPE,PPCosmetic packagingGlass roll on bottle10ml ... look forward to receiving your order! 25mm PTFE plastic ball