The Canon CLI-526 black ink cartridge is part of the CLI range that is intended for printing photos in conjunction with a PIXMA printer. There is 9 ml of ink in this cartridge and, when used to print on Canon photo paper the results are outstanding. The ChromaLife100+ system protects prints from fading over time and keeps photos sharp and crisp. The CLI-526 black is part of a set that can be ordered online from Just Ink and Paper. Standard delivery is free and takes from 3 to 5 working days though next day delivery is available at an extra cost.