The product is a set of compatible ink cartridges for Dell printers, specifically models DL-21, DL-22, DL-23, and DL-23C. The cartridges come in tri-color and black, making them suitable for a variety of printing needs. These sealed cartridges are designed to be used with Dell printers and are compatible with HP 564 XL models. With these ink cartridges, users can expect high-quality prints and reliable performance from their printers.