Enhance your creative projects with our sturdy paint pen refills. These inserts are ideal for artists who require precision and reliability. The fine tip design allows for detailed work, while the sturdy materials ensure durability. practical for painting, drawing, and writing, these refills are a must-have for any creative tools. Features -Color:White -Material:Cotton, PVC -Size:10.00X1.00X1.00cm/3.93X0.39X0.39in -Effortless ink flow: keeps smooth ink flow for precise and uninterrupted writing or drawing, practical for specialist and creative tasks -High durability: built to withstand frequent use, these refills resist deformation, ensuring reliable performance over time - adaptability: universally designed to fit a wide range of marker and pen brands, simplifying the replacement process -Timesaving absorption: absorbs ink quickly, enabling immediate use and minimizing downtime during creative projects -Versatile refillable design: empty refill cores allow users to experiment with various ink types and colors for stylish creations Package list: 100pcs x marker pen cotton core