This brass wu lou is the perfect feng shui item for metal cure. According to 5 element theory, metal element which brass wu lou belongs to can decrease the Earth element.   From the the ancient China, brass wu lou is used to suppress down monster and be taken to ward off evil and illness chi. Therefore it is the symbolization of good health.  The mouth of the wu lou is small and bottom is big. So it is considered to hold treasure. Therefore brass Wu Lou is one of eight treasures.   There is red tassel attached to this brass wu lou to represent good luck. In addition, the picture of longevity god on it also stands for long life.   The dimension of this metal wu lou is approx. 3 1/2" in height. It is made out of alloy and it can be either by hanged or displayed.   There are two colors for this metal wu lou: bronze color and shining gold as the following picture: