Kishu Charcoal To Go Stocking Stuffer NOT JUST A LUMP OF COAL! Kishu Charcoal is the green stocking stuffer! Kishu is easy to use - simply place in any water bottle, add tap water, and watch Kishu go to work. Kishu is the plastic-free alternative to bottled water. One stick lasts 4 months. Then it can be reused as a deodorizer in th Give the gift of Kishu Charcoal this holiday!