P 64XL High Yield Original Inkjet Cartridge, Black/Tri-Color (2 pk.) is an extra large version of HP's standard ink cartridge. Get more prints for your money with this extra large ink cartridge. HP ink cartridges are known for their exceptional print quality and vibrant colors. These ink cartridges work with most HP Inkjet Printers and come with the standard colors of Black, Cyan, Magenta and Yellow.