There are many things to consider when choosing a singing bowl. The most important factor is the size of the bowl. The second consideration is the weight of the bowl. Heavier bowls produce a deeper sound than lighter bowls. The third consideration is the type of metal used to make the bowl. The four most common metals used to make singing bowls are brass, bronze, copper, and silver. The fourth consideration is the age of the bowl. Newer bowls tend to produce brighter sounds than older bowls. Finally, consider your budget when choosing a singing bowl.