This beautiful set of gradient-colored glass fountain pen is perfect for anyone who wants to add a touch of elegance to their writing. The pen holder is made of glass, and each pen comes with its own color ink, so you can mix and match to create your own custom colors. These pens are sure to make a statement whether you're using them for school, work, or just for fun. Thanks to the included converter, you can use any bottled ink with these pens, giving you endless possibilities for creativity. Whether you're a beginner or an experienced calligrapher, this set is sure to take your lettering to the next level!