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 (Folium Artemisiae Argyi, Radix Angelicae Dahuricae, Rhizoma Et Radix Notopterygii, and Radix Et Rhizoma Nardostachyos). A lighter (or candle) is necessary to ignite. Box of 5 rolls