粘ねん着ちゃくゴム

noun

adhesive putty; sticky tack

A reusable, putty-like adhesive used for attaching lightweight items such as posters to walls. Often refers to brand-name products like Blu-Tack.

• ポスターを壁かべに貼はるために粘ねん着ちゃくゴムを使つかった。

  I used adhesive putty to stick the poster to the wall.