Sterling silver harmony ball with gold bell inside. - What is a Harmony ball : Harmony ball is a piece of jewelry originating from Bali, Indonesia. Traditionally, harmony ball had used in Bali and Mexico, pregnant woman wear it on a long necklace during their pregnancy. It is essentially a chime pendant, as the pendant emits a soft but just audible chime sound with movement, and brings calm and relaxing to the wearer. Diameter of the harmony ball: 20 mm Every item will be shipped in a gift box.