**Feature** Permanent ink fountain pen cartridge refill. Smooth and fast drying. Clean cartridge replacement. Contains ''ink reserves''. Size:1 x 5 cartridges  |  Color:BLACK Permanent ink lays down smoothly， dries fast and won't smear. Cartridge keeps ink contained so replacing it is a clean process. Parker® refill cartridges are fitted with ''ink reserves'' ready to be released with a tap when a writer starts running on empty.