This beautiful polished brass wu lou tied with red ribbon and one Chinese coin on the top is supposed to bring health and wealthy chi in. As well kown, metal wu lou can absorb sickness chi and bring good health. It is the special metal cure in feng shui to decrease the Earth element generated by the sickness star #2 and #5. Yin Yang symbol carved on the bottom of the feng shui wu lou is to increase its power to ward off sickness energy. This brass wu lou is made of copper. The dimension of this metal wu lou is approx. 1 3/4" x 1 3/4" x 2 1/2". It can be displayed near to your work or sleeping bed. See more Wu Lou .