The cake Bao just made is wrapped in coated paper and waxed paper. The main function of these papers is to prevent oil. Generally, cakes contain oil, so this kind of paper is specially used for packaging to avoid getting oil on your hands when you take it.

Packaging paper refers to the paper used for packaging, which has high strength, low moisture content, small air permeability, no corrosion, certain water resistance and beautiful use. Food packaging paper also requires hygiene, sterility and no impurities.