The black sound bowls set is tuned perfect pitch on 440hz and includes 7 crystal singing bowls: 14”C,12”D,10”E,9”F,,8”G,7”A,6”B. The crystal singing bowl set comes with heavy duty carrying case and each singing bowl is housed in padded tank inside the carrying case. 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.