Cricut Explore + Maker Extra Fine Point Pen Set 5-pack (Basics); 5 Extra-Fine Point (0.3) pens in Black, Red, Brown, Blue, Green; Water-based, acid-free, nontoxic, permanent after dry; conforms to ASTM D-4236; Use with Cricut Explore family and Cricut Maker machines A simple colour palette is simply stunning when you wield this all-mighty basics pen set. This essential bundle of extra-fine point pens excels at expressing the finest lines with expert precision on your Cricut cutting machine. Make memorable wedding invitations with glorious detail. Adorn greeting cards with surprisingly thin doodles and drawings. Use with Cricut Explore® (Cricut Explore One requires Accessory Adapter) and Cricut Maker® machines. Pens are water-based, acid-free, nontoxic, permanent after dry, and conform to ASTM D-4236.