These Sakura Pigma Micron Fineliners are ideal pens for drawing, illustrating, doodling and suitable for technical and artistic work. The unique Sakura Pigma ink will not bleed through paper and is indelible and lightfast, the ink will dry to a natural PH. All pens are archival quality that is waterproof, fade and chemical resistant and will not smear or feather when dry. Sakura Pigma ink will not bleed through the paper that you're using. Waterproof, fade and chemical resistant and will not smear when dry. Set of 6 x fineliner pens in size 0.45mm. Ideal for drawing and illustrating, technical drawing and outlining. Colours Included Black Red Blue Green Brown Purple