Gel Ink Rollerball Pens

The neutral pen uses high quality ink, stable quality, and will not spill ink when dry and not faint when exposed to water. At the same time, the ink viscosity is just good, quick dry and not easy to penetrate the paper.It can reuse the universal refill. The pen uses a 0.5mm bulleted head. and the writing is smooth, reliable and durable, and the use time is long