Pens are suitable for school, office and home. Ideal for writing, journaling, note-taking, underlying, sketching and more.BLACK INK: Shuttle Art 11 pack 0.5mm retractable pastel gel pens are all with black ink. Acid-free and non-toxic gel ink pens will meet your demands of daily writing, marking and signing. A perfect choice for your everyday use.SMOOTH WRITING & QUICK DRYING: The optimized fine point with premium ink delivers skip-free glides all the time. High quality ink dries quickly, so there will be no smearing or smudging during writing.PREMIUM DESIGN: Durable clip makes it convenient to carry with. Retractable design will be easy for you to use. And each pen is sealed with wax to prevent ink from drying.SERVICE GUARANTEE: Your satisfaction is our top priority, please rest assured to purchase our products. If you are not satisfied with our products or have any questions, please feel free to contact us at any time.