Get beautiful results with this Cricut Explore pen set. With a range of sizes and styles including glitter gel, marker and calligraphy tips you get the perfect drawing and writing tool for every project. And in basic black, you can't go wrong! Give an extra special finish to greeting cards, invitations, journals, scrapbooks, labels, decals and more. These pens are water-based, acid-free, non-toxic, and permanent after drying for ease of use and peace of mind. For use with Cricut Explore machines (may require Pen Adapter).