... 4mm,29mm,35.2mm,35.56mm roll on ball with holder are available 1) We are specialize in producing plastic ... , are mainly used in the cosmetic packaging, sewage disposal, and for floating. Solid ball diameter 1mm--60mm, mainly used in ... 3) Our products are mainly sold to European and American area.4) Honest And Trustworthy Enterprise. Product nameSpecificationMaterialApplicationSolid ball1mm-60mmPP,PE, ...