We know that there are many types of food bags in the form of packaged food, and it is difficult for many customers to distinguish the style they want when choosing. Faced with so many styles of food bags, how should we choose? 1. Three-side sealed packaging bags 2. Back-sealed packaging bags 3. Hemmed packaging bags 4. Four-sided sealed packaging bags 5. Zipper packaging bags 6. Three-dimensional packaging bags Although there are many types of food bags, they can basically be divided into the above You can choose according to your needs when purchasing, but now many plastic bag factories provide customized services, just put forward your own needs.