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