Description of MSR Fuel Bottle 11 Oz. Designed to work with the threaded pumps on your existing MSR stoves. Features: Air-tight seal allows fuel to be stored longer by preventing air from entering and degrading fuel Made from single-piece, impact-extruded aluminum to prevent leaks and cracks. Bolstered shoulder and base to resist bulging when pressurized. Weight: 11oz/325ml - 2.8oz/79g (Not for use with alcohol)