Men Microwave ovens, dishwashers, and refrigerators are available: Lunch boxes can be placed in the freezer to store food, It is easy to wash by hand or in the dishwasher, but the lid is recommended to wash by hand to avoid scratches, The container can safely heat food in a microwave oven and can be microwave heated (≤212°F for 2-4 minutes), Note: The lid cannot be placed in the microwave oven. Applicable age: over 7 years old. Lunch Boxes