Fb Japanese Food Flask is a double layer food flask your kids can use to take food to school. This food jar comes in different colours and can help keep your meal at a hot temperature for a long period of time. From hot soups to frozen smoothies, it keeps your favorite foods the perfect temperature. Suitable for work, travel, camping. Now you can have a hot meal or fresh chilled snack anytime, anywhere. You can even use it to bring baby food!