The E note crystal singing bowl produces a sound that resonates at the frequency of the E note. It is used for meditation, relaxation, and sound therapy due to its believed healing properties. It is commonly associated with the solar plexus chakra, which is linked to personal power, self-esteem, and confidence. The sound and vibration of the bowl can help balance and activate this chakra, leading to a greater sense of empowerment and self-confidence.The RYAN DVAN Crystal singing bowls promote relaxation, focus, and balance during meditation, yoga, and chakra healing. The vibrations produced by the bowls can balance and clear any blockages or imbalances in the body's energy centers. The sound and vibrations can also stimulate the brain, promoting creativity and inspiration, making them popular among creative professionals. The bowls can be a powerful tool to enhance your spiritual practice and bring a sense of calm and peace to your life.The RYAN DVAN crystal singing bowls we produce are made from high-purity quartz and are carefully selected before leaving the factory. The use of high-quality materials and attention to detail is important for ensuring that the bowls produce a clear and resonant sound, which is essential for achieving the maximum benefits during meditation and healing practices.We provide a 30-day free return and exchange service for our crystal singing bowls. If you're not satisfied with your purchase or encounter any quality issues, contact Amazon service or us within 30 days for free return and exchange. The product must be in its original condition and packaging, including all accessories. If you have any questions, our customer service team is happy to assist you.As crystal singing bowls are fragile，The 'Protection Plan' insurance plan offered by Amazon to provide additional protection against any damage that may occur during use or transportation. This plan offers more comprehensive insurance services and additional support and assistance in case of any damage or issues. Contact Amazon customer service for more information，We highly recommend considering this insurance plan to protect your investment in the crystal singing bowl. Product Description Size 10 Inch 8 Inch 432HZ 7-12 Inch 432HZ 7-12 Inch 7-12 Inch 6" 8" 10" Note C Note G Note C D E F G A B (7Notes) C D E F G A B (7Notes) C D E F G A B (7Notes) B Note G Note F Note Carrying Case 1 PC 1 PC 2 PCS 2 PCS 2 PCS 1 PC Suede Sticker Rubber Mallet