Olicamp Fuel is blended for all season performance. High values of fuel propellant provide cold weather output and bring you quick and fuel efficient boil times. Standard screw-on valve fits a variety of appliances. Outside use only. Fuel blend: 75% Isobutane 25% Propane 230 g Canister = 24 Liters of water boiled using Olicamp stoves and XTS pot. 101 Cups boiled @ 5,000 ft elevation 450 g Canister = 47 Liters of water boiled using Olicamp stoves and XTS pot. 199 Cups boiled @ 5,000 ft elevation Available in store only due to hazmat shipping costs