To enable a user to freely stick an impact seal to a desired place.

The impact seal is made possible as single merchandise. Namely, the user peels the adhesive surface protective film 1-6 of a lower part 1-1 with the adhesive surface protective film 1-6 and adheres the same to the desired point of a drawing. The user peels the adhesive surface protective film 1-7 of an upper part 1-4 with the adhesive surface protective film 1-7, takes a jumping-out preventive device 1-5 and closes a cap, such as a card to complete. When the cap is opened, a displaying part 1-3 is jumped out by the restitutive inertia moment of a spring part 1-2. Any body is, therefore, able to easily create a work.