Features: The bowl sings very easily and produces a rich, harmonic and soothing sound that lasts a long time. Produce energetic and vibrant sounds that provided stress-free relaxation. This sound bowl has been used for meditation, music, relaxation, personal well-being, healing energy, and chakra creation, etc. for generations. They are used by many professionals, including healthcare professionals, school teachers, musicians, and spiritual teachers. The sound bowl is used in healthcare by psychotherapists, massage therapists, cancer, and stress and meditation specialists. They are used to treat cancer patients as well as treat post-traumatic stress disorder. They are popular in classrooms to facilitate group activities and focus students' attention. Specifications:Material: Copper + Wood Inner Diameter: 8cm/8.5cm/9.5cm/10.5cmQuantity: 1 SetNote:1. Transition: 1cm=10mm=0.39 inch2. Please allow 0-3cm error due to manual measurement. Pls make sure you don't mind before you bid.3. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Included:1 x Sound Bowl1 x Hand-Forged