- Vented refill means the pen won't leak or explode on airplanes, making it ideal for business travelers.
- Uni Super ink is specially formulated to become trapped in paper, helping prevent criminal check washing and other document alteration.
- Quick-drying, acid-free, archival-quality ink is fade- and water-resistant to last over time. Uni-flow system ensures a steady flow of ink for consistent line and color intensity.
