Our crystal singing bowls are made of high-quality crystal with a purity higher than 99.99%. They are beautiful to look at and listen to. The sound is clear and last long time. Each product is carefully selected to ensure accurate note and clear sound. We could offer crystal singing bowl size from 6inch to 24inch, and all tone of C D E F G A B, if you have any questions, please kindly contact me, I would like to quote you asap. 8″B 10″F 12C. Package including: one heavy duty carrying case+one Rubber. Mallet+one suede stick+3 O-Rings.