Massage Stoneis made of basalt after volcanic eruption of nature. After machine processing and artificial polishing, according to the characteristics of human body, Massage Stone suitable for human massage is formed. Volcanic basalt itself contains abundant trace elements and minerals, and its surface is microporous, so it has a strong thermal storage work. It is very suitable for massage therapy. Massage stones can be used in all parts of our body, which is very good for our health.