Private Reserve Infinity 60ml fountain pen inks uses break-through ink technology referred to as the E.C.O. (Extended Cap Off) Formula. A game-changer in the fountain pen industry, the E.C.O. Formula significantly increase the "cap-off" time of the fountain pen ink.
Many years of research led to the release of the Private Reserve Infinity 60ml fountain pen inks, which have been tested "cap-off" for many hours showing stellar performance. In theory, Private Reserve Infinity 60ml inks can be cap off "forever."
Private Reserve Infinity 60ml inks are available in the recognizable 60ml Private Reserve ink bottle with the wide mouth, easy open lid.
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