Cling film, shrink film, and barrier film each serve unique purposes in food packaging. Cling film provides a simple and effective way to seal andprotect food items, shrink film offers a secure and tamper-evident packaging solution, and barrier film provides superior protection against specific external factors, ensuring the quality and safety of the packaged food. These materials are essential components of modern food packaging, playing a vital role in preserving the freshness, flavor, and nutritional value of our food.