Fuel bigger adventures with the Jetboil JetPower Fuel Canister fueling your high performance Jetboil backpacking stove system (not included). Formulated for maximum efficiency and minimum consumption, this 4-season, propane/isobutane stove fuel keeps your Jetboil cooking system operating at peak performance. This special fuel blend delivers higher vapor pressure for improved performance in cold weather. High-performance fuel for Jetboil backpacking stove systems (not included) 4-season, propane/isobutane stove fuel blend Formulated for maximum efficiency and minimum consumption Delivers higher vapor pressure for improved performance in cold weather