Marking with "Eye-catching Color" and "Hakkari Memo" to suit your needs: "Eye-catching Color" uses an ink color that is less likely to flicker, making it ideal for marking over text, while "Hakkari Memo" is an ultra-fine pen with a dark ink color, making it ideal for taking notes on important information. Neat and organized marking: "Eye-catching Color" and "Hakkari Memo" use similar ink colors, so you can create neat and organized markings even when using two colors. Compact: You can mark two different things with one pen, so your pen case won't be bulky. **Reseller Disclaimer: Kokuyo items cannot be sold on Amazon, eBay, or Walmart.com.**