Cracked Glass Beads: Approximately 8mm Tonbo-dama (Glass Beads) [Blue]: Approximately 10mm * Can be used as a strap, or attached to zippers on bags and pouches, or as a charm. * The Tonbo-dama are glow-in-the-dark, storing light and glowing in the dark. * Tonbo-dama and Hotaru-glass are made by artisans who melt colored glass one by one onto an iron core, roll it into a ball, and layer silver foil onto the molten glass like syrup, using a special technique to create beautiful colors. * Because they are handmade by artisans, there may be slight variations in size and color. * Please read the profile for notes on purchasing. #Charm #Strap #Keyholder #BagCharm #ZipperCharm #MaskCharm #Beads #GlassBeads #Tonbodama #Hotaruglass