A wonderful array of colors in a solid, medium-bold nib with the same archival Pigma ink you love!? Perfect for graphic art, scrapbook, archival recording, pen and ink illustrations, freehand art, rubber stamps, cartooning, and more! ? Like all our standard black Microns, these are the ultimate go-to-tool for art, work, and play. The ink doesn't bleed or smudge, and is waterproof — plus, it plays well with other mediums like pencil and watercolor!