Wu lou has the shape of small mouth and big bottom. Taoists use Wu lou is suppress down monster and use it to ward off evil and illness chi. Wearing Wu Lou pendant (wu lou necklace) is good for whom easily get sick since wu lou pendant is the symbolization of good health.

This wu lou pendant (wu lou necklace) has double wu lou to enrich its power. It is made out of jade and has adjustable length. Colors for the strings of the wu lou pendant will be either light green or dark green.