Inkjetcorner 24 Pack Compatible Ink Cartridges Replacement for PGI-250XL CLI-251XL Works with MG6320 MG7120 MG7520 iP8720 (4 Big Black 4 Small Black 4 Cyan 4 Magenta 4 Yellow 4 Gray) 250 251 XL Inkjet Cartridges are Brand New Compatible Non-OEM Includes 4 of each (Large Black, Small Black, Cyan, Magenta, Yellow, Gray) Each cartridge has approximately 2 year shelf life