This-practical-set-of-colored-rollerball-pens-from-Randi-contains-seven-pens-in-a-variety-of-vibrant-colors,-all-in-a-single-transparent-case-that's-easy-to-carry-and-store.-Featuring-a-precise-0.5mm-tip,-these-pens-produce-smooth,-crisp-lines,-making-them-ideal-for-writing,-drawing,-coloring,-and-taking-notes-in-a-variety-of-colors.