Produces less smoke and odor. Uniform and slow burning, these rigid, compressed sticks (made by a special charcoal process) are 4.3" x 0.6" dia and contain a proprietary combination of moxa and herbs Tenchi ginseng root, Ajuga forrestii Diels plant, Chinese yam root, Dioscoreae ripponica Makino root, Erodium stephanianum& Geranium wilfordi plant, Dioxcoteae parviflora Ting root, and Inula cappa plant. A lighter (or candle) is necessary to ignite. Box of 5 rolls