Without any glaze, let far-infrared ceramic contact with the skin, and physical contact. Ergonomic design with a stream line Streamline. Healthy and quality of life. size：10.5x6 cm Features： 1. The design meet the ergonomic demand providing various tendons and painless scraping acupuncture points. 2. Special circular design for facial beauty massage to prevent wrinkles and skin aging. 3. Providing far infrared physicial affect. Excellence of VIVA energy products, recommended by the ITRI, Chang Gung biotechnology, scholars and professors of major institutions.