Inkjetcorner 18 Pack Compatible Ink Cartridges Replacement for PGI-250XL CLI-251XL Works with MG6320 MG7120 MG7520 iP8720 C-250 C-251 (3 of Each Includes Gray) Inkjet Cartridges are Brand New Compatible Non-OEM Each cartridge has approximately 2 year shelf life Include 3 of each ( Black, Photo Black, Cyan, Magenta, Yellow, Gray )