Upgrade your fountain pen with this pack of 10 blue ink cartridge refills. Made of high-quality plastic, these refills are designed to fit most fountain pens and provide a smooth and clean writing experience. The ink dries quickly and is perfect for everyday use, whether you're writing notes, letters, or journal entries.

These refills are perfect for collectors or anyone who loves to write with fountain pens. The black ink is rich and vibrant, and the cartridges are easy to replace. Whether you're a seasoned fountain pen user or just starting out, these refills are a must-have for your collection. Don't miss out on this great deal!