The bell is made of metal and the belt is made of leather. This metal is rust-free and lightweight.Big cow bell produces pleasant sound and lasting echoes through the impact of the inner metal ball, which can be heard by people or animals in the distance.This is a feng shui swiss cow bell door hanging for positive energy. It is believed that the cowbell has the power to bring good fortune/luck.this decorative showpiece incorporates a cowbell, which historically, has been known to serve as an amulet, fertility charm, curative agent, and musical instrument.