Overheating can sometimes happen when you are busy prepping food for your family. But never fear, Munchkin has your back against burned tongues during mealtime. When you pour food into the plate, the White Hot strip will activate and turn bright white if it's too warm for consumption. Not only are the sides of these plates the perfect size for toddler hands, but they stack oh-so-neatly when you put them away at the end of the day, too. Mealtime owies be gone. These plates are microwave safe, top rack dishwasher safe and BPA free.