This retractable rollerball helps you create perfectly smooth handwriting with uni-ball water resistant, fade resistant and tamper-proof Super Ink.The pen also features a rubber grip for comfort.
1. Each pen can be written for over 2000m.
2. The ink of this pen is disposable, and it can not be refilled.
3. It is an anti-dry pen, and it won’t be dry even the cap has been opened for several days.