Smooth gel ink roller ball refill is equipped with a quick-drying, reliable ink delivery system that will allow you to get creative with vivid colors without worrying about smudging or ink flow consistency. Its permanent, waterproof, fadeproof and acid-free features make it archival safe to guarantee that your stories are treasured for a lifetime.FEATURES:
- Reliable ink delivery.
- Smooth gel ink.
- Acid-free, archival safe ink.
- Permanent, waterproof and fadeproof.
- Vivid colors.