Then, the printed surface paper and inner paper are laminated using a cold adhesive method. This composite method is not only sturdy, but also environmentally friendly, ensuring that the paper bag is not easily layered or damaged during use.

Next, the printed face paper will be subjected to film application on the laminating machine. This step is mainly to increase the durability and sealing of the paper bag, ensuring that it will not break or leak during microwave heating.

Microwave popcorn paper bags are not only convenient and easy to use, but also have environmentally friendly characteristics. Compared to traditional popcorn packaging methods, paper bags are easier to recycle and dispose of, reducing environmental pollution. At the same time, the lightweight and foldable nature of paper bags also makes them easy to carry and store, allowing people to enjoy delicious popcorn anytime and anywhere.