If waterdrops are occurred inside a food packaging plastic film by a sudden temperature change, you can not be able to view contents. As the same phenomenon, problems that adversely affect the product are occurred such as a reduction of securing a clear view, defective products on appearances by waterdrops fall. This phenomenon can be changed by surface properties of plastics, and can be improved through the wet phenomenon of the plastic surface. The surfaces of plastics are mostly hydrophobic, except for some plastics. Therefore, this problem can be solved by making surface hydrophilic using additives. For this purpose, anti-fogging agent is known generally as an additive, which is applied to plastic films, especially PVC wraps.