This is a large Shinshuyaki Magatama. It is approximately 5.5 cm wide and 3 cm long. Shinshuyaki is safe pottery made by uniquely blending high-purity natural stones and firing them at high temperatures. It does not contain lead or cadmium, and uses the far-infrared and negative ion effects of natural stones to bring out the flavor of food and make water taste better. It is tableware and cooking utensils with the theme of "healing and health."