Nowadays, people pay more and more attention to environmental protection. When using plastic bags, they also hope to use environmentally-friendly packaging bags to hold items. This can reduce the burden on the environment and meet the application requirements. Not only do these advantages, but also do not have a negative impact on people's health during the use process, so this bag is more secure and meets the requirements of modern society. However, many people do not know much about plastic bags, so it is not clear which bags meet environmental requirements.