Write on greeting cards, journal your photographic memories, personalize gift tags, and much more--all from your Cricut Explore machine (sold separately). Gone are the days of practice-makes-perfect. Now, you can get it right the first time. Cricut Explore Metallic Pen Set work seamlessly with the Cricut Explore machine to allow you to cut and write in one step--no need to change mats! Pens are acid free, non-toxic, and permanent after drying.