Sealing System: After the pouches are filled, they should be sealed. This component makes certain the pouches are airtight, preserving the contents fresh. Various sealing procedures, like warmth sealing or ultrasonic sealing, can be employed depending on the supplies concerned. Heat shrinkable sleeve labeling, tamper evident band & multi-pack https://www.linpack.com/news/how-vacuum-packaging-machines-are-transforming-food-preservation