set of 2 crayola mini gel pens free shipping Set of 2 Crayola mini gel pens. Pens in a fun size. One pen has metallic gel ink and the other pen has pastel gel ink. The gel colors are metallic purple and pastel blue. These mini gel pens are acid-free and non-toxic. Art and Creative Materials Institute (ACMI) certified and conforms to the ASTM D 4236. These Crayola mini gel pens are great for writing in memory books or scrapbooks, journals, diaries, notebooks, light and dark colored paper, folders, and etc. Also good for taking notes at school, drawing, art projects, writing creative letters, making unique greeting cards and invitations, and more.