Waterman has created an exclusive line of ink cartridges and bottled inks that ensure optimum functionality in your Waterman Fountain Pen. Waterman ink cartridges come in a variety of colors to allow you to express yourself in your own signature style. Waterman Serenity Blue Ink is ideal for everyday use including calligraphy. This ink cartridge will fit any Waterman Fountain Pen except Ice Et La fountain pens. This item is Brand New from Waterman and includes 8 Ink Cartridges.