Black ink. Writes in any weather. Writes at any angle, even upside down. Pressurized cartridge. Ink is permanent, will not dry out. Extreme temperatures: -30?F to 250?F. Skips less - writes over water, grease, fingerprints and photographs. Perfect for use on Rite in the Rain field books and paper. Hang packaged. Country Of Origin: USA UPC: 632281993131
