The HP 936 Printer Ink Cartridges CMYB Color Combo 4-Pack 6C3Z5L is a high-quality product from HP designed for their OfficeJet Pro printers. This 4-pack includes cyan, yellow, magenta, and black ink cartridges, perfect for a variety of printing needs. With an expiration date of December 2027, these cartridges are sure to last for a long time. Compatible with various HP printer models, this combo pack is a convenient and reliable option for any office or home printing setup.