Don't get stuck with a cold sandwich day-after-day for lunch; with the Koolatron 12V Lunch box stove you can mix it up and have a hot meal every day. This lunch box doubles as a heater; simply plug it into your car's 12V plug and watch it work. It will cook your food or warm up pre-made meals easily at up to 300°F. Bring yourself a hot lunch every day, or bring on long car trips to keep your entire family happy and full. This handy lunch box warms baby bottles, baby food jars, soups, stews and pizza slices in just minutes.