High Purity: Quartz content exceeds 99.995%, ensuring a bubble-free, defect-free structure for optimal sound quality. Accurate Tuning: Each bowl is tuned to a specific chakra note (C to B) with optional 432Hz or 440Hz frequency for precise healing alignment. Versatile Size: Choose from 6 to 8 inch diameters to match your preferred tone and resonance for or yoga sessions. Secure Packaging: Delivered in a high-quality carton with foam protection to prevent damage during shipping.