The Dataproducts Black XL Ink Cartridge is compatible with HP 564XL printers, offering a convenient value pack unit that includes one black cartridge. With no box included, this product is ideal for those looking for a cost-effective ink solution without the need for additional packaging. Manufactured by Dataproducts, this ink cartridge is designed to provide high-quality printing results and is backed by the manufacturer's warranty. Perfect for users seeking reliable and compatible ink options for their HP printers.