In accordance with ancient traditions, this singing bowl is made of a special seven metal alloy, with each metal representing a part of the astrological universe. Gold is for the Sun, silver for the Moon, mercury for Mercury, copper for Venus, iron for Mars, tin for Jupiter and lead for Saturn. This alloy produces a powerful harmonic resonance when played. Being in this sonic bath is conducive to meditation, yoga, massage and other bodywork. Of course, it can also be used an impressive decorative item in any home.