Features:1. This insulated, reheated lunch box works quietly without bothering, enjoying delicious food without being disturbed.2. This insulated lunch box adopts steam circulation heating mode, so that the food will not be cooked, and heat more evenly.3. This insulated lunch box adopts negative pressure sealing preservation technology, which can better preserve food and keep it fresh without deterioration.4. This insulated lunch box has the function of preventing dry burning. When working, it will start the protection of preventing dry burning when meeting the problem of water shortage.5. This kind of lunch box is small in size, convenient to store and take up no space. The handbag is designed to be carried