This lot of two black ink cartridges are specifically designed for use with Canon printers. They are genuine and original Canon products, ensuring high quality and compatibility. The model number for these cartridges is CANON BCI-21, and they are black in color. These cartridges are a unit type, which means they are sold as a set of two. These ink cartridges are perfect for anyone who needs to replace their current Canon ink cartridges. They are compatible with Canon printers, and provide high quality, long-lasting results. The cartridges are brand new, and have not been previously used or opened. Whether you are printing documents for work or personal use, these Canon ink cartridges are a great choice for your printing needs.