Abstract: The present invention may be used for self-heating edible fluids without an external heating source, and no or minimal leakage or spilling. It may consist of a fully sealed container body that prevents the leakage or mixing of an activation substance and edible fluid. A body inside of the container may behave as conductive wall separating the activation substance and edible fluid to prevent mixing. The invention includes a chemical pack tool that may be punctured into the container and seal the punctured hole so the is no leakage. As the exothermic reaction takes place, a built-in vent or existing one-way valves/vents may be used to prevent excess pressure build up, and then pushed back in to fully seal the container again when it is no longer needed.