The Gagalay 950XL 951XL Ink Cartridges 4 Pack is a set of compatible inkjet cartridges designed for use with various printer models. This combo pack includes cyan, yellow, magenta, and black cartridges, with each unit having an expiration date of 10/26. With a total quantity of 4 units and is compatible with specific printer models such as 8640, 8630, and 8660. This ink cartridge set offers vibrant and long-lasting color for your printing needs.