Super quick-drying rollerball pens: with precision tip and smooth writing black ink, the rollerball ink dries quickly that help you keep work neat and organized; You will love this style of super quick-drying rollerball pen once you try it

Feature: these roller ball pens come with extra fine point (0.5 mm) and black ink for precise writing, small and delicate, fashionable and durable

NO leaking and visible ink supply: transparent rollerball pen tube has a unique design with a transparent pen case, you can clearly see the ink supply, which have good quality ink and will not leak ink, even if you use for a long time

Smooth flowing ink: these 0.5 mm ballpoint pens with built-in precision ink output regulator, which can ensure liquid ink flowing evenly that give you smooth writing experience

Range of application: suitable for using in class, marking different words and doing some important notes, which is a great gift for office, home, company, students, etc.