Retort pouch is one kind of food grade vacuum bag that can be able to withstand the high temperature when cook and sterilize, durable pouch for ready-to-eat meals. Retort pouch thickness normally 80 micron to 140 micron, so it can achieve the sterilization requirements in short time but keep the food color and fragrance as much as possible. When eating, just put the bag with food into the hot water for 5 minutes or eat directly without heating.