This exclusive canon pgi 5 twin pack includes two individual ink tanks of the specially formulated pgi 5 pigment black ink tank the specially formulated pgi 5 pigment ink produces crisp smudge resistant text for professional quality documents canons proprietary fine full photolithographic inkjet nozzle engineering technology delivers exceptional sharpness and detail plus when printing with genuine canon inks and photo papers the chromalife100 system produces beautiful long lasting photo