These plastic ink pens are suitable for school, office and home. Ideal for writing, journaling, note-taking, underlying, sketching and more. 1mm retractable pastel ballpoint pens are all with black ink. Acid-free and non-toxic ballpoint ink pens will meet your demands of daily writing, marking and signing. A perfect choice for your everyday use. Click pen, durable, suitable for long-term use, 1mm medium point, black ink is easy to dry, not easy to smear to cause smudges, Easy to hold- stable clips, easy to connect to a laptop or pocket, easy to carry around. Contact us now for details. Can be order under MOQ. Qty more than 50000 pcs are ship via sea.