✾ Glass nuggets fired in an electric furnace. ✾ All are Ryukyu glass, flat on the back, and some have the characteristic bubble patterns of Ryukyu glass. ✾ Size: Approximately 8-13mm. ✾ All photos taken in natural light, with brightness adjusted only when dark. However, the appearance may vary depending on your device. ✾ Buy more and save! Get 100 yen off from the second item purchased. Buy 5 items and get the most expensive one half price. Example: If you buy 3 items, get 100 yen off each of the second and third items. Example: If you buy 5 items, get the most expensive one half price. ✾ Items listed at 55555 yen are sold out. If materials are available, custom orders are possible, so please feel free to comment!