... toothbrush,and abrasive filament,Main Material is PET,PBT,NYLON, PA6,PA610,PA612,PP.We adopt high quality material from the ... filament,- Time indicator filament,- Super fine filament in spool, bobbin, Super fine multifilament in spool and bobbin,- Light conducting filament, Fluorescent filament ... , and reliability satisfy our customers and end users. PolyAmide filament/PA6 toothbrush filament