In order to get professional quality results you need to use top of the range ink. This Canon PGI-29C cyan ink cartridge contains 36ml of LUCIA pigment based ink that was developed by Canon specifically for printing photographic images. When used in conjunction with Canon photo paper the images produced are rich, vivid and incredibly fade resistant. When used under optimal test conditions this cartridge has been able to print up to 1800 10x15cm images.