The product is a cyan toner cartridge designed for use with Kyocera printers, specifically the ECOSYS M6235CIDN and M6635CIDN models. It is compatible with these specific printers and is ideal for printing documents or images in cyan and black colors. As a toner cartridge, it utilizes laser print technology to ensure high-quality, crisp and clear prints. This product is essential for those looking to maintain their Kyocera printers with genuine toner cartridges that deliver reliable and consistent results.