Product Name: Chaco Per Artist F10-BU Contents: Blue x 3 Size: Total length 14cm Material: Water-based ink, polypropylene This is a Chaco pen with an extra-fine tip, suitable for delicate and detailed designs and markings. The marks made will not disappear naturally and can be removed with water. It has a crystal core that maintains the fineness of the tip. I have other items for sale as well, please take a look here ➡️ Feel free to comment if you have any questions about combined shipping discounts, additional purchases, or individual sales. Number of ink colors...1 color