The benefits of flexible pouches provide real-world advantages that are attractive to prospective customers. At the most basic level, they require less in shipping costs and reduce environmental impact simply by being filled with air. Second, puncture-resistant substances ensure that products are secure in transit and handling. The convenience of the resealable feature allows for gradual use by consumers while still ensuring freshness. In addition, it has a good barrier property to prevent air、moist and other external objects so as to improve the shelf life of products. Finally, the design flexibility permits creative and eye-catching package designs improving brand identity with consumer visibility.