Upgrade your writing experience with Majohn Fountain Pen Ink Cartridges in rich black ink. This pack of 6 refill cartridges features 0.8ml capacity, delivering smooth and consistent ink flow for clean, effortless writing. Easy to install and convenient to carry, these cartridges are ideal for daily use at home, office, or school. Perfect for journaling, note-taking, signatures, and regular fountain pen writing needs.