Easy to change and attractive in use. It can be really frustrating when the ink in a pen runs out, especially when you're working on an important report. For such situations, you should always have replacement cartridges on hand, like these easy-to-change 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. The sealed cartridges also keep the ink as good as new.