I used to have a Crockpot food warmer that I used in hotels when traveling with my toddler, some hotels have fridge but don’t have microwave. This lunch box is much more compact outside but inside i fell like it’s much bigger, it would fit 2 servings easily. Also having a car charger is great for winter trips. It usually takes 20-40 minutes to warm up the lunch from the fridge depending on the serving size. Chargers are detachable so you can use it as a regular lunch box, it has a handle and a s...