Camp Heat makes cooking or heating in camp, at home or during emergencies quick and easy. Fuel is odorless and produces non-toxic fumes.Approximately 4 hours burn time per can.Contains: 2 x 6.4 oz. (128 g) cans diethylene glycol.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.