Keep your desk, paper, or hands smudge-free, as the quick-dry formula will keep your work on the paper. These rollerball pens are acid-free, ensuring that your text will remain bright and bold. Each pen features an ergonomic grip that fits perfectly in your hand, and a durable pocket clip for easy portability so you'll be ready for any project. Plus, the 0.7 mm stainless steel tips will help you write a precise line every time. Whether you're at work, school, or at home, have the perfect balance of convenience and practicality and get incredible results every time. Details: Black 0.7 mm stainless steel tips 20 pens Fade-resistantAcid-freeAirplane safeNontoxicConforms to ASTM D-4236