Cricut Gel Pen Set PeacockExpect a lot of attention when you add these iridescent colors to your creative mix. Give your projects that special touch with fine, detailed lines and a silky gel finish. Write and draw all the letters, shapes, and phrases your machine can cut. Create custom wedding or bridal shower invitations, placecards, and other beautifully detailed projects in minutes. Use with Cricut Explore and Cricut Maker machines. Pens are water-based, acid-free, nontoxic, permanent after dry, and conform to ASTM D-4236.