This new old stock product is a genuine OEM HP 78+Plus Tri-color Ink Cartridge, brand new and sealed. This ink cartridge is specifically designed for HP printers and is compatible with the HP 78+ Plus model. With a tri-color formulation, this cartridge is perfect for producing high-quality color prints. As an original HP product, you can expect reliable performance and excellent results with each use. Ideal for anyone looking to replenish their printer ink supply with a trusted and tested product. Please note, this cartridge is a product of Puerto Rico and the 6 month limited warranty expired in June 2010. This does not mean that the cartridges are expired and will not work~it all depends on the age of your printer. Please feel free to ask any questions you may have.