Retractable gel pen with a 0.5mm point features a waterproof, lightproof ink to help prevent fraud when writing checks. Acid-free ink prevents fading over time for archival use. Fast-drying formula prevents smears, smudges and globs for clean, consistent writing by either left-handed or right-handed writers. Latex-free grip improves your control and comfort to help prevent fatigue through prolonged periods of writing. Pen with blue ink is perfect for daily use at home, office and school.