Our 36 HR Survival Candle has three wicks allowing for variable light and heat. Burning time is 36 hours using one wick at a time or 12 hours using three at once.Includes 1 book of matches.Net weight: 6 oz. (170 g).WARNING- The combustion of wood, charcoal, and other fuels can expose you to chemicals including carbon monoxide and soot, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go towww.P65Warnings.ca.gov.