Butane/Propane mix canisters are lightweight, resealable, and easily connect to stoves and lanterns. Most canister appliances are lightweight and simple to use, so if you are a backpacker who counts ounces and appreciates convenience this fuel is for you. Downsides are that canisters can"t be recycled, and in subfreezing temperatures, the fuel does not perform well. Or at all. Cold temperatures affect the pressure in the canister, so performance is best in mild to moderate conditions, Main advantages: convenience and light weight.