set of 7 Jell tek rainbow retractable ball point pens free shipping Set of 7 Jell-Tek Rainbow retractable ball point pens. A rainbow of colored inks in ball point pens. The ink colors of these ball point pens are red, pink, orange, yellow, green, blue, and purple. Each pen has a 0.7mm tip for heavy lines and smooth writing. Being retractable, these ball point pens have no caps to lose. Press the top of the pen down to reveal the tip. Conforms to ASTM D 4236. These Jell-Tek Rainbow ball point pens are great for writing in memory books or scrapbooks, journals, diaries, notebooks, and etc. Also perfect for taking notes at school, class projects, writing creative letters, general writing, and more.