You'll love creating with these beautiful complementary hues. Show off the intricate, precise writing and drawing capability of your Cricut® machine with fine-point pens in Martha Stewart colors. Write beautifully styled personal messages on cards, invites, decor, and more, or draw perfect shapes and stunning coloring pages. Details:Black, Geode, and Armadillo3 fine-point (0.4) pensWrite and draw with ease and precisionWater-based, acid-free, nontoxic, permanent after dry; conforms to ASTM D-4236For use with Cricut Maker™ and Cricut Explore® family machines(Cricut Explore One™ requires Accessory Adapter, sold separately)