Designed with an Doubel-Layer insulation steel Lunch box which keeps the inner surface hot and outer surface cold. Best value of money for school, office, home etc. uses that keeps food hot for long hours. It comes with 4 Containers, out of which you can use 1 container or 2 containers, or 3 containers or all containers collectively as per your requirement, & also it comes with a belt so that you can easily carry it anywhere.