The APOGO Rollerball Black Gel Pens are a versatile and quick-drying addition to your school and office supplies. A 16-pack makes them an excellent value. With a 0.5mm tip, you'll find these pens perfect for note-taking, sketching, writing on digital tablets, or other daily tasks. The gel ink dries in less than 10 seconds, providing an instant finish and preventing smudges. These pens are not only durable and easy to use but also eco-friendly. The APOGO brand is committed to sustainability, and these pens are made with recycled materials. Say goodbye to messy, smudged, or blotchy notes with these high-quality, reliable, and environmentally friendly writing instruments.