1. VACUUM LONG LASTING INSULATION: 2 layer vacuum insulation technology, long lasting insulation for 6-8 hours. To get better results, please pour hot or cold water into the food jar to preheat or precool for 1-2 minutes before putting in the food.
2. 3 COMPARTMENT FOOD CONTAINER: This lunch box has enough capacity for 3 stackable insulated lunch box. You can carry soup or a variety of dishes so you can enjoy a richer, more nutritious lunch or dinner, microwave safe for easy reheating.