The special elastomer pen tip of the Fudensoke line gives artists and calligraphers the ability to control strokes with precision. The pens are ideal for writing kanji (Chinese characters). Barrels are made of recycled polypropylene plastic. Water-based, pigmented black ink One blue plastic template is included. This template is a guide for writing kanji characters on money gift envelopes. It is a custom in Japan to give these envelopes to family and friends for occasions of celebration or grief.