The 48 ink pens can be used for a long time, if your work requires a lot of writing, then vakuum must be your best choice. SUPER FAST DRYING: Rollerball pens have precise nibs, smooth ink writing, and rollerball ink dries quickly to help you keep your work neat and organized. Once youve used it, youll love it and keep choosing this style of super fast drying ballpoint pen. HIGH WRITING CAPACITY: The 48 count black ballpoint pen is ideal for school, office and home use, you can write with the black neutral pen for a long time without worrying about the ink condition. HIGH QUALITY: All 48 ballpoint pens are made of high quality plastic, comfortable to hold and easy to write, reliable tungsten steel nibs wont damage the ink, so the writing process is more stable. SMOOTH INK: This easy-to-use pen is a 0.5mm ballpoint pen with a built-in precision ink output regulator that ensures an even flow of liquid ink for a smooth writing or drawing experience.We always put your happiness and satisfaction first. Thats why we use sustainable materials and new manufacturing techniques to design innovative products that are used by people all over the world. They write smoothly and wont smudge or smear. The black ink pens are sturdy and durable, and the plastic grips are comfortable to hold. They are ideal for journaling, note-taking or taking orders.