Retort packaging consists of numerous layers and is comprised of a laminate of flexible polymers and metal. Retort packaging aids in the packing of a wide range of foods and beverages that may be maintained for a longer period of time. Retorts are a type of thermal food processing technology that uses heat and pressure to sterilise food. They are one of the most widely used methods of thermal food processing. Retort packaging is a type of semi-rigid and flexible packaging that includes a distinctive stand-up pouch for cook-in-a-bag meals such as soups, grains, sauces, and pasta dishes. The rapid rise and increase in demand for ready to eat or ready meals throughout the world can be related to the need for retort packaging. Factors such as hectic work schedules, rising single-household populations, and rising consumer buying power have bolstered the market for ready-to-eat foods, fuelling the need for retort packaging.