The HP 564 Black Ink Cartridge Twin Pack is a brand new sealed product with an expiration date of January 2019. This multi-pack includes two black ink cartridges designed for inkjet and laserjet printers. Compatible with various HP models such as Deskjet 3521, Officejet 4620, and Photosmart C6340, this product is manufactured in China and ensures high-quality printing performance. Ideal for those in need of black ink cartridges for their HP printers, this twin pack provides reliable and long-lasting printing supplies.