These ultra fine markers with smooth flowing ink for writing, sketching, technical drawing, doodling, journaling, zentangle and more! Using high quality archival pigment ink, you can be assured your projects will be preserved to last. Smooth writing With Durable Nib Dye Stuff Ink And Non toxic Set of : 6 Fineliner pen of sizes  0.05mm, 0.1mm, 0.2mm, 0.3mm, 0.5mm and 0.8mm Made in Korea