This 12 pack of Canon compatible ink cartridges includes 8 Black (BCI21B) and 4 Color (BCI21C). All compatible brand ink cartridges are backed by a full 100% satisfaction guarantee. We guarantee that you will get the same quality printouts as your Canon brand inkjet cartridges or your money back. Why pay double for a brand name cartridge? The BCI21 Set of 12 is a great way to save money and stock up! LD © Cartridges are manufactured in an internationally certified ISO 9002 factory. LD © cartridges come with a 100% Two Year money back guarantee and technical support. For use in the following printers: