This Canon twin pack contains 2x PGI-2500XL 70.9ml high yield black ink cartridges which prints up to 2,500 A4 documents at ISO/IEC 24711 standard. The DRHD pigment inks produce professional quality business documents, print after print. The high-density black ink delivers crisp text with great longevity and durability. Print up to 2,500 pages each cartridge. Genuine Canon Ink promises better quality and more reliability.