This heart chakra singing bowl is made from highest quality pure quartz and tuned F note and rainbow colored, the rainbow design is special for heart chakra. The crystal singing bowl comes with a heavy duty crystal singing bowl case and housed in a suede texture crystal bowl bag to provide protection and easy to access. A cowhide crystal singing bowl mallet suede striker and O-ring are packed in singing bowl mallet bundle pocket. Instruction for sound bowls healing included.