Keep your fountain pen writing smoothly with these good ink refills. The compact size and lightweight designed, making it easy to store and access the refills. Ideal for students, these refills provide a reliable ink supply for all your writing needs, from homework to creative projects. Features -Color:Black -Material:Plastic -Size:5.00X0.50X0.50cm/1.97X0.20X0.20in -Inner Diameter:3.4mm -Ink Color:Black -Note: Not Erasable -Precision design: specifically tailored for replaceable ink refill fountain pens, ensuring a precise and secure fit for optimal performance -Ample quantity: you'll have a generous supply that meets your daily writing and replacement needs, good for students and professionals -Good functionality: these ink refills are smooth and consistent ink flow, maximizing the performance of your fountain pen -Easy to use: designed for ease of use, these ink refills can be quickly and easily replaced, making them ideal for busy individuals with writing needs -Sophisticated look: the minimalist and elegant design of the ink refills complements the aesthetic of any fountain pen, adding a touch of sophistication to your writing instruments Package list: Fountain Pen Ink Refills