These fountain pen ink are designed to meet the needs of students and professionals The quick-drying ink ensures that your writing remains clean and smudge-free. Compatible with a wide range of fountain pens, these refills are easy to replace and provide consistent performance. suitable for school, office, or personal use. Features -Color:Black -Material:Plastic -Size:5.60X0.80X0.80cm/2.20X0.31X0.31in -Effortless writing: provides a smooth writing experience with fountain pens, minimizing ink smudging and enhancing the overall quality of handwriting -Fast drying ink: the quick drying ink formula helps prevent smudges on paper, ensuring cleaner and more organized assignments -Convenient replacement: the replaceable ink offer a simple and efficient solution, allowing students to quickly switch and continue writing -suitable for handwriting practice: ideal for elementary students practicing their handwriting, improving both the neatness and speed of their writing -Multiple writing applications: suitable for various writing tasks, including homework, practice sheets, and handwritten notes, meeting diverse student needs Package list: 10 x Fountain Pen Refills, 1 x storage box