Epson DURABrite Ultra ink is ideal for general purpose printing. It lasts up to 120 years, is water and smudge resistant and produces ultra sharp detail on plain and specialty papers.Epson DURABrite Ultra Extra High capacity cartridges for higher productivity and savings, providing up to 300% more prints* than standard capacity cartridges.* Black yield comparison using the Epson Stylus TX550W for extra high capacity ink cartridges and standard capacity ink cartridgesPack contains: 4 individual extra high capacity ink cartridges Black, Cyan, Magenta and Yellow.