Three-side sealed food packaging bag, aluminum foil bag, sealing bag.

Food packaging bags are a type of packaging design. In daily life, to facilitate the preservation and storage of food, product packaging bags were created. Food packaging bags refer to thin-film containers that come into direct contact with food and are used for holding and protecting food.
Food packaging bags come in many materials, each with different uses. Various materials have different properties and applications. Generally, food packaging bags are not made of a single material but are usually multi-layer composites.