Universal 3.2mm Disposable Ink Cartridges for Primary Students, Replaceable Blue-Black Ink

These replaceable ink cartridges are specifically designed for primary students, featuring a 3.2mm size that fits various compatible pens. The cartridges provide a convenient and mess-free writing experience with a high-quality blue-black ink that ensures smooth and consistent writing. Their disposable nature makes them easy to use and replace, ideal for young learners. Perfect for schoolwork and projects, these ink cartridges help students maintain neat and legible handwriting. Type: Fountain pen ink Specification: 54mm*54mm Packaging Material: plastic Packing Quantity: 6 Package: Plastic Box Manufacture country: China Instructions included: No