Vacuum packing is a method of packaging that removes air from the package prior to sealing. This method involves (manually or automatically) placing items in a plastic film package, removing air from inside, and sealing the package.Shrink film is sometimes used to have a tight fit to the contents. The intent of vacuum packing is usually to remove oxygen from the container to extend the shelf life of foods and, with flexible package forms, to reduce the volume of the contents and package.
Is it possible to human?
A terrifying activity which some japanese people doing this.This kind of activity is an agreement for the purpose of money. They are paying those girls who are accepting this challenge; they will do this thing before or after the sexual intercourse.
Japanese is doing this to fulfill their fetish; the unusual excitement that they can feel whenever they are watching those girls inside a plastic bag increases their desire in having sexual intercourse.