Size: Width 19.0cm Height 9.1cm After undergoing 300 million years of terrestrial fire refinement, Yakuo Stone is unique for its powerful magnetism. Its distinctive health benefits, which regulate various functions of the human body, have gradually been discovered, leading to its name, "Yakuo Stone." Yakuo Stone can replenish energy, nourish the spirit, and detoxify; it aids in the treatment of cervical spondylosis, periarthritis of the shoulder, and cervicobrachial syndrome; it has a noticeable improvement effect on insomnia, excessive dreaming, dizziness, migraine, and tinnitus caused by neurasthenia; it also eliminates inflammation, relieves pain, dispels cold, and alleviates mental stress and muscle fatigue; it balances yin and yang, and clears and regulates meridians. We offer a discount on combined purchases, with a deduction of 200 yen for each item starting from the second item. 2 items purchased: 200 yen discount 3 items purchased: 400 yen discount 4 items purchased: 600 yen discount Thank you very much! ❣️