The MEINL Sonic Energy singing bowls are handcrafted in India using traditional methods. Each singing bowl starts by sourcing high-grade metals to provide a pure tone. Then in the hands of the skilled artisans an individual masterpiece is created displaying the quality and care put into each instrument. Finally each singing bowl passes through MEINL s quality control in Germany before being shipped to customers. The Universal Series singing bowls from the MEINL Sonic Energy collection are quality-sounding instruments at a great value and are intended to be used in a variety of situations including yoga and meditation. The singing bowls can be used individually or played together as a set to create a nice and relaxed ambience. This Sonic Energy 2-piece Universal singing bowl set includes with a MEINL leather singing bowl resonant mallet and comes with 4.5 and 4.9 bowls.