Japanese style Highest quality glass seed beads15/0=1.5mm.12/0=1.9mm,10/ ... ", 3", 4", 5" bugle, 2 cut, twist SERIES Japanese style glass beadsCHEMICAL COMPOSITIONQuartz sand SHAPE DESCRIPTIONTwistCOLORS & SIMILARITYTransprant,silver,rainbow,lustred,opaque ... also according to customers samples of mold production Japan style glass seed beads