Made from 9999% pure crystal, Quartz crystal singing bowl produced by high pure quartz crystal, it is an excellent for meditation and Healing. Beautiful, Clear, Deep, Amazing and Vibrational Resonance with the to Heal. The Chakras are the body's energy centers for processing incoming and outgoing energy. A Third-Eye - Center for psychic and intuitive abilities. Research shows: 432Hz is the most relaxing and comfortable frequency. Frequency:432Hz Colour:White Material:quartz Size:203*153mm Package Contents: 1 * Crystal Singing Bowl 1 * Rubber O-ring Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.