This 5 pack of ink cartridges is designed for use with select HP OfficeJet Pro printers including the 8100, 8600, 8610, 8620, 8630, 8625, 8630, 8615, 8640, 8660, 8616, 276dw, 251dw, and 271DW. The cartridges come in black, cyan, yellow, and magenta and offer the same page output as OEM cartridges. They are compatible with HP 950xl and 951XL models and are a cost-effective alternative to OEM cartridges. These high-quality cartridges are perfect for a variety of printing needs and will produce sharp, vibrant prints every time.