Features: Universal Compatibility: These colorful disposable fountain pen ink refills are compatible with all standard fountain pens, providing a convenient and versatile replacement option for your writing needs. Durable and Reliable: The parker fountain pen ink refill cartridges are designed to be long-lasting and dependable, ensuring a smooth and consistent writing experience for office, school, and daily use. Vibrant Colors: Enjoy a wide range of vibrant and rich ink colors with these universal replacement refills, adding a pop of creativity to your writing and drawing projects. Convenient and Practical: These disposable and generic ink refills are ideal for students, adults, and children alike, offering a hassle-free solution for keeping your favorite fountain pens filled and ready to use. Essential School Supplies: Whether for office or school supplies use, these fountain pen ink refills are an essential addition to your writing, providing a reliable and colorful option for all your writing endeavors. Notice: 1.Actual color may be slightly different from the image due to different monitor and light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: Non-carbon Ink Size: 7x3.6x1cm Weight: about 18g Include: 1 Set Disposable Fountain Pen Ink