This New Halal 6 Combo Sets Ready-to-Eat Meals does not need to be refrigerated and lasts for 2 years. No preservative added. This meals is very easy to prepare by just through 3 ways of heating1) Heat it in the Microwave oven for 1 minute 2) Soak in the hot water and 3) Put 1 pack of heating element together with 200ml of water into each of the food pouch and seal the zip lock and wait for 5 - 8 minute until the hot steam comes out from the upper pouch hole. Then throw away the hot water and enjoy the meals."HALAL Hotmeals Anytime, Anywhere".