Abstract: The present invention relates to a three-dimensional smart messenger envelope comprising: a main body having contents accommodated therein, and a cover integrally formed with the main body to cover the opening of the main body, wherein the main body and the cover have an overlap portion therebetween when being sealed with each other, the main body includes an advertisement means on the overlap portion, and the advertisement means has a cutoff line formed therearound and includes an advertisement display part that has both side surfaces formed to be cut away or torn off and therefore folded toward the interior of the main body. While the advertisement display part is folded toward the interior of the main body and the cover is sealed, when the cover is open, the advertisement means is located on the inner surface of the cover, and the folded advertisement display part protrudes toward the front of a receiver by repulsive force.

Abstract: The present invention relates to a three-dimensional smart messenger envelope comprising: a main body having contents accommodated therein, and a cover integrally formed with the main body to cover the opening of the main body, wherein the main body and the cover have an overlap portion therebetween when being sealed with each other, the main body includes an advertisement means on the overlap portion, and the advertisement means has a cutoff line formed therearound and includes an advertisement display part that has both side surfaces formed to be cut away or torn off and therefore folded toward the interior of the main body. While the advertisement display part is folded toward the interior of the main body and the cover is sealed, when the cover is open, the advertisement means is located on the inner surface of the cover, and the folded advertisement display part protrudes toward the front of a receiver by repulsive force.