Jade ingot charm is the symbol of wealth. You can hang it anywhere except bathroom to bring prosperity.
There are two kinds of jade ingot charms. One is attaching two leaves signify fresh and new energy. The another one is two balls to represent treasure. They are shown as following pictures.
The length of the jade itself is approx. 1 1/4" and the overall length of the whole jade ingot charm is approx. 4.5" in the length.
See more Feng Shui Ingots.