Product Details Quantity: 15 PCS Color: Black Design: Clear Design Product Advantages 1.The pens fine point smooth writing pens. 2. High-quality ink, dries within 5 seconds, no smudges. 3. With a clear design, you can easily check the ink supply status. 4. These rollerball pens use ultra-fine dots (0.5mm) for precise writing, giving you a smooth writing experience. Wide Range of Applications Our 0.5 mm pens can be used as pens for journaling, marking, writing, and signatures to meet your daily writing needs. They are a must-have for offices, homes, companies, schools, and other occasions.