Office World Compatible Ink Cartridge Replacement for Canon PGI-250XL CLI-251XL,Compatible with Canon PIXMA MX922 MG7520 MG5520 MG5420 MG7120 MG6320 MG6620 IP8720 MG5620 MAKE SURE whether your printer need gray cartridges or not. If yes, please go to our store purchase it individually. What's in the Box: Canon PGI-250XL CLI-251XL Ink Cartridges (6 Large Black, 3 Small Black, 3 Cyan, 3 Magenta, 3 Yellow, NOT INCLUDE Gray) 18 Packs. Approximate page yield: ~500 pages black, ~300 pages color at 5% coverage.