Diamine Fountain Pen Ink Cartridges - Oxford Blue

🌌 Oxford Blue Color – A deep, sophisticated blue-black shade with classic elegance and excellent saturation. 🖋️ Standard International Short Cartridges – Compatible with most fountain pens that accept standard short cartridges (not proprietary systems). 🔄 Convenient & Mess-Free – Easy to swap cartridges on the go—perfect for students, professionals, and everyday writers. 📦 18 Cartridges Per Pack – A generous quantity to keep your pen inked for weeks or months of writing. 🇬🇧 Made in the UK by Diamine – Trusted since 1864 for high-quality, water-based inks with smooth flow and safe pen performance.

• Safe Ink: Non-toxic, Acid-free, Vegan-friendly
• Universal Compatibility: Suitable for All Fountain Pen Brands, Ideal for Vintage Models