This pack contains 12 pieces of Sarasa clip gel ink rollerball red pen 0.7mm medium tip. Ergonomic design, retractable, super smooth writing ball pen, suitable for home, office & school use. Zebra pens feature water-based pigment ink and water resistance for a long-lasting impression. Ink is acid-free, archival quality, fade-resistant and lightfast. Dry ink technology for fast drying, no smears and no smudges. Perfect for journaling, note taking and studying. Zebra pen continues to prioritize corporate sustainability as an operating principle of its business.