Designed for versatility and convenience, our marker pen refills are practical for a wide range of applications. Whether you're working on a school project, office task, or a DIY craft, these sturdy inserts provide smooth and consistent ink flow. The refillable design ensures that you can easily replace the ink, making them a practical choice. Features -Color:White -Material:Cotton, PVC -Size:10.00X1.00X1.00cm/3.93X0.39X0.39in -Seamless writing experience: promotes smooth ink flow for writing and drawing, ideal for detailed and intricate work -Enhanced longevity: engineered with materials to resist damage, ensuring extended usability and performance -Universal fit: designed to work with various pen and marker brands, making replacements simple and efficient -Quick ink loading: features high absorption capacity, enabling faster ink refills for uninterrupted creativity -Stylish creativity: empty refill cores provide flexibility to use different ink colors, meeting unique artistic preferences Package list: 100pcs x marker pen cotton core