A cleverly designed compact notebook that perfectly stores the Duo Color Mini Ballpoint Pen.

Featuring 5mm grid color pages, it adds a bright touch to your daily notes while making writing more enjoyable. The notebook also includes a pen-shaped die-cut slot, allowing the Mark's x ANTE Mini ballpoint pen(sold separately) to fit neatly inside.

An elastic band keeps the pen securely in place, so you can carry the notebook and pen together as a convenient set.