Private Reserve Fountain Pen Ink Invincible Blue - 60ml

Private Reserve Invincible Blue Ink delivers a rich, permanent blue ideal for professional and archival use. Engineered for long-lasting performance, this pigmented ink is quick-drying, lightfast, and highly resistant to water, UV exposure, bleach, and other chemicals. Whether you're signing official documents or preserving important notes, Invincible Black ensures your writing remains crisp and legible over time. Despite its permanence, it cleans easily from fountain pens, nibs, and converters, making it both reliable and low-maintenance.

Key Features:

• Archival-Grade Performance: Lightfast, waterproof, quick-drying, and resistant to feathering

• Chemical Resistance: Withstands water, UV light, bleach, and other solvents

• Easy to Maintain: Flushes cleanly from pens without clogging or residue

• Format Options: Available in 60ml bottles 

Benefits:

• Permanent, non-erasable ink for legal or professional use

• UV- and water-resistant for long-term document preservation

• Pigmented formulation for deep, bold lines