8 different colors: red, orange, green, sky blue, purple, pink, blue and black. Different colors of Gelschreiber have different functions, you can use it to draw, mark, write, etc. If the pen you received does not work properly, please contact us as soon as possible, we will actively deal with the problem for you, thank you for your understanding. . Unique Design: All erasable pens are designed to rotate. There is an eraser on the top of the erasable gel pen, which can be used to erase and rewrite bad writing. . Material Safety: The erasable ballpoint pen uses high quality ink, which is sterile, non-toxic, environmentally friendly and safe to use. It dries quickly without worrying about staining, bleeding and fading. . Purpose: The erasable ballpoint pen is suitable for taking notes\/drawing\/writing\/graffiti, etc. It is very suitable for students to take notes and do homework. It can improve work efficiency in school, office or home. House. . THE PERFECT GIFT: The erasable pen can be used as a small educational gift for children or as a practical gift for co-workers. .