JETBOIL FUEL Formulated for maximum efficiency and minimum consumption, Jetboil's high-performance propane/isobutane four-season fuel delivers higher vapor pressure for improved performance in cold weather. This 100g Jetboil JetPower Fuel can is easily packable and will fuel you through your next adventure. PLEASE NOTE: Continental U.S. shipping only. No express shipping. Cannot ship by air because of hazardous materials.