Diameter: 0.05mm or above Bundle Packaging  : White crepe paper wrapping, PE tube packing or PE film wrapping.  Spool Packing Specification: 20/40/80/100/110/200/220/300/350/400 ends by spool, the number of ends can be customized.Customized Function: anti-static,anion,antibacterial,anti-uv,etc.  Application Area: toothbrush, roller brush, face washing brush, nailpolish brush, interdental brush, twisted wire brushes.Qualifications: ROHS REACH SVHC PHTHALATES PAHs Bisphenol A.