FeaturesGenuine Canon Ink produces on average 35% more quality prints than imitation cartridges²Genuine Canon Ink is 100% reliable so you can print with less stress²Genuine Canon Ink provides consistent quality prints 100% of the time²Return every ink and toner cartridge to be reused or recycled. It\'s free, easy and environmentally friendly.Black Ink CartridgeThis Black Canon CLI-551BK Ink Cartridge is used for printing photos. Combined with Canon photo paper it protects your photos from fading with the ChromaLife100+ system. The 7ml ink tank allows you to print up to 495 of 10x15cm colour photos at ISO/IEC 29102¹ standard.