Easy to replace and attractive in use. It is truly frustrating when the ink in a pen runs out, especially when you are working on an important report. For such situations, you should always have spare cartridges on hand, like these easy-to-replace cartridges from Waterman, a company with years of experience. With the smoothly flowing ink, you can write neatly, attractively, and professionally. These cartridges are designed for all Waterman fountain pens except for the CF series. The user-friendly cartridges can also be replaced in seconds and with ease. Let your creativity flow and bring your ideas to paper with this high-performance ink. A pack contains 8 cartridges – practical and compact. Additionally, the sealed cartridges keep the ink fresh.