The Kuretake Brush Pen for Noshifuku in black sumi ink is perfect for writing on celebratory envelopes and for those new to brush pens. Designed with a user-friendly tip, it ensures easy writing with smooth ink flow. The pen includes a practice sheet with pre-printed characters ("御祝", "寿", "御礼", "内祝") to help users get started, making it ideal for beginners looking to practice traditional calligraphy.