Calligraphy pen is nice to hold thanks to its comfortable handle, therefore it’s possible to easily make thin as well as thick lines. The felt tip is durable and flexible at the same time, so the pen strokes will always be just as you want them. High quality water-based pigment is waterproof and doesn’t smudge after drying. Bimoji pens are also suitable for etagami crafting. Line width is 0.3 - 1 mm.