Blake Printing Supply 18 Pack Compatible Ink Cartridges for PIXMA MG6620 Blake Printing Supply  18 Pack Compatible Ink Cartridges for PIXMA MG6620 PIXMA MG6320, PIXMA MG7120, PIXMA iP8720, PIXMA MG6620, PIXMA MG7520 3 Small Black, 3 Cyan, 3 Gray, 3 Magenta, 3 Yellow, 3 Big Black Premium Blake Printing Supply brand of cartridges. CLI-251BK, CLI-251BK XL, CLI-251C XL, CLI-251C, CLI-251GY, CLI-251GY XL, CLI-251M, CLI-251M XL, CLI-251Y, CLI-251Y XL, PGI-250BK, PGI-250BK XL, 251, 550, CLI-251, CLI-251XL, PGI-550, PGI-550XL