3.4-2.6 Compatible Fountain Pen Universal Ink Cartridges: Black, Blue, Red, Blue-Black

These versatile ink cartridges are designed for compatibility with a wide range of fountain pens. Available in four classic colors—black, blue, red, and blue-black—they offer smooth, consistent ink flow for all your writing needs. Perfect for everyday use or special occasions, these cartridges ensure a vibrant and professional finish to your documents. Whether you're taking notes, writing a letter, or sketching, these easy-to-install cartridges provide a reliable and high-quality ink refill solution. Type: Fountain pen ink Specification: Single Packaging Material: Plastic Packing Quantity: 1500/bag Package: Plastic bag Manufacture country: China Instructions included: No