厚あつ紙がみ筒つつ

noun

cardboard mailing tube; shipping tube

A sturdy cylindrical container made of thick paper or cardboard, used for mailing or storing rolled items like posters or documents.

• ポスターを厚あつ紙がみ筒つつに入いれて発はっ送そうした。

  I sent the poster in a cardboard mailing tube.