Traditional experience of writing with a fountain pen with the convenience provided by ink cartridge refills. - Replacement ink cartridges designed exclusively for PARKER fountain pens. - The comfortable long cartridges prevent ink leaks, making refills much easier. - The intensely pigmented ink conveys a vivid impression on paper. - The cartridge design allows you to use your fountain pen comfortably anywhere. - Includes 10 washable blue ink refills.