Produced with multilayer films such as polyester, nylon, polypropylene, and polyethylene, they provide excellent barrier properties and durability. The zipper is designed for easy use, maintaining airtightness even after multiple openings. Key advantages include long-term storage, hygienic use, portability, and reusability. By reducing unnecessary additional packaging, they are also recognized as an eco-friendly packaging solution.

Made with multilayer films such as polyester, nylon, polypropylene, and polyethylene, they provide strong protection and barrier performance while allowing excellent flexibility in printing and design. Because of their box-like structure, they draw consumer attention on shelves and maximize exposure of brand logos and graphics on wide display panels. Key advantages include superior display impact, premium packaging appearance, and suitability for larger volume filling.

Constructed with multilayer structures of polyester, nylon, aluminum foil, and polypropylene, they maximize heat resistance and barrier properties. They can also be combined with easy-cut, standing, or retort features. Key advantages include long shelf life, durability, and portability. They are mainly used for military rations (MREs), field training meals, and disaster relief supplies. More recently, they have expanded into emergency food and outdoor/camping packaging.

Through aseptic filling and sterilization, they allow long-term storage and safe use in hospitals and at home. Made with multilayer films of polyester, nylon, aluminum, and polypropylene, they protect contents while allowing patients to consume directly without separate containers or tools. This is particularly convenient for critically ill patients, the elderly, or those needing caregiver support. Key advantages include strict hygiene, ease of use, and long shelf life. They are widely applied for patient meals, elderly nutrition, therapeutic diets, infant formula, and dietary supplements. Spout pouches, in particular, are preferred in medical settings for hygienic opening and convenient resealing.