The sound bowls set is tuned and black colored perfect pitch on 440hz and includes: 12”C,11”D,10”E,9”F,,8”G,7”A,6”B. The crystal singing bowl set comes with two heavy duty carrying cases and each singing bowl is housed in padded tank inside the carrying cases. The suede texture singing bowl bag in each case provide protection and easy to access. High quality suede strikers and rubber mallet and O-rings are packed in bundle pockets.