Set of 10 Compatible Canon ink cartridges (2 x PGI-520 Black + 2 x CLI-521 Black/Cyan/Magenta/Yellow) For use with: iP3600, iP4600, iP4700, MP540, MP550, MP560, MP620, MP630, MP640, MP980, MP990, MX860, MX870 Capacity: 21ml (PGI520BK) Capacity: 10.5ml (CLI521BK/C/M/Y)