FeaturesGenuine Canon Ink produces on average 35% more quality prints than imitation cartridgesGenuine Canon Ink is 100% reliable so you can print with less stressGenuine Canon Ink provides consistent quality prints 100% of the timeReturn every ink and toner cartridge to be reused or recycled. It\'s free, easy and environmentally friendlyBlack Ink CartridgeThis Black Canon CLI-571BK Ink Cartridge is used for printing photos. Combined with Canon photo paper it protects your photos from fading with ChromaLife100 system. The 7ml ink tank allows you to print up to 398* of 10x15cm colour photos at ISO/IEC 29102† standard.