Ink 4001 for all Pelikan piston fountain pens and many other models; Can be used in cartridge fountain pens with a converter; The ink 4001 in pink color is not washable and cant be erased; Made in Germany; Pelikans history started with producing ink so it is part of the brands DNA. Pelikan has more than 180 years of experience and Know How in producing it famous high-quality inks. Ink 4001 for all Pelikan piston fountain pens and many other models; Can be used in cartridge fountain pens with a converter; Ink in pink color can not be erased with an ink eradicator; Made in Germany Item no.: 301343