It is a very small bead with an outer diameter of about 1.5mm. It is a PF processing that is resistant to friction and is hard to fall off. It is a silver color with a metallic shine that has been colored after applying silver plating on the surface of the beads. * In addition, the color that has been processed surface may cause discoloration due to friction, etc., and may discolor due to salash (bleaching), or may change due to oxidation phenomena after a long time. Please note.