Pigma® ink, invented by Sakura over 30 years ago, continues to be the most reliable permanent ink on the market today. Artists, consumers, the government, and scientists consider Pigma Micron® a necessary basic tool for any archival-quality, handwritten project.This permanent, fade resistant, chemically stable, pigment-based ink will not bleed or run if liquids are spilled on or applied to the document after the ink has dried. Perfect for legal situations, Pigma ink is nearly impossible to alter on documents, in logbooks, or on checks. Architects, archivists, anthropologists, entomologists, and laboratories depend on Pigma Micron for record keeping. Set includes: 1 each: 08 Light Cool Gray (#42), Cool Gray (#44), Black (#49)