1. High Capacity: 20-pack black gel ink ballpoint pens. The black gel pens feature a retractable design. The large capacity ensures a single pen can write at least 400m, and 20 gel pens can write for a long time, allowing for freer and more convenient work and study. 2. Comfortable Grip and Smooth Writing: The soft rubber grip provides an easy and fatigue-free writing experience. Our gel pens are designed with durable, lead-free rollerball tips (0.5mm) ensuring a fine, smooth touch on all paper surfaces. The special gel ink allows for smooth, clean lines without smudging. 3. High Quality, Health, and Safety: We believe safety is paramount, especially when children are involved. Our pens feature non-toxic, acid-free, long-lasting ink. Scientific ink formulation, safe production processes, and high-quality materials guarantee absolute user safety. The gel pens offer smooth writing, quick-drying ink that doesn't smudge, and are built to resist fading. They are essential for good performance in your work and studies. 4. Diverse Applications: These fine retractable pens are great aids for your work, studies, and life. They can be used for writing, office work, taking notes, journaling, etc. They are perfect for adding color to your writing, whether at school, college, office, or home. The ballpoint pen casing allows for multiple uses by simply replacing the refills. Left-handed individuals can also use these pens with ease.