Kraft paper bags are used for food, McDonald's is using them, tea, bread and chestnuts are also packed in paper bags, and duck necks are also available. There are too many to tell you in detail.

Paper-plastic composite bags mostly belong to oil-proof and dust-proof series, such as cement bags, dry-mixed mortar and other chemical bags, as well as clothing bags. This is only in China, but abroad, there are many kinds of sugar, gifts and jewelry, which can be seen almost in life.