Infinity ECO Fountain Pen Bottled Ink-Black

The Private Reserve Infinity inks feature a brand new, exclusive Extended Cap Off Formula (or ECO Formula). What does that mean for fountain pen users and artists out there wondering what makes this ink so special? Infinity Ink’s ECO Formula: Game Changing Technology for Ink Fans

The extended cap-off time ensures ink freshness, supporting continuous writing session.

Ink color: Blue

Bottle size: 60 ml

• Intense and vibrant hues
• Consistent performance results with every use
• Ink stays fresh even when the pen is uncapped for extended periods
• Quick drying reduces the risk of smudging and transferring
• Ideal for students, professionals, and anyone needing to pause writing frequently