Pack of 10 multi-color gel pens with 0.5mm precision heads provide accurate, smooth writing for detailed work and note-taking | Retractable design with peripheral handle provides comfort in use and ease of carrying with a sturdy pocket clasp | Fast-drying oily blue ink prevents staining while the waterproof composition maintains writing clarity and readability | Re-packagable design reduces waste and saves money while maintaining a steady flow of ink for long-term use | A versatile writing tool ideal for office work, school supplies, daily writing, drawing and creative projects