MIDORI MD Notebook Light Grid 52gsm A4 x 48 x 3

The "MD Notebook Light" is a thin, easy-to-carry version of the "MD Notebook" made in Japan, which pursues "comfortable writing."

Keep it in your usual bag, and when you have a little realisation or inspiration, take it out and write it down. The ideas you write in your notebook may become treasures for you later.