... pure silver 3flatback polished 4Preserve time long 5 big factory and r&d institution 1--we are prefessional crystal accessory ... fancy stone ,sew on beads ,glass loose beads and so on for garment ,jewelry,bags ,shoes and so on.2---we are just ... material ,through special processing ,and vacuum plating pure silver ,and flatback polished, make our produce more shining and bright ,and we have more than ...