| 摘要 |
The present invention relates to a sticker which allows a character, a pattern, or a picture formed by a combination of fine figures or lines to be displayed at a predetermined temperature, so that the sticker enhances a sense of esthetics and can be used as various marketing means such as fortune-telling, a game, or prize-winning. A sticker utilizing a secure printing according to the present invention not only has its intrinsic function of simply storing a beverage or a food or assisting the storage thereof, but can also be used for various forms of purposes, such as provision of a game or fortune-telling, or transmission of a specific message or a content, through discoloration according to the temperature, to thereby enhance the degree of use thereof. |
