This heart chakra singing bowl is made from highest quality pure quartz and tuned F note, the quartz crystal singing bowl comes with a heavy duty padded crystal singing bowl carrying case. The crystal singing bowl set is housed in a scratch-proof suede texture crystal singing bowl handbag to prevent pollution and easy to access during use. A thick cowhide crystal singing bowl suede striker and O-ring are packed in bundle pocket. Instruction paper for sound bowls healing included.