This is a genuine Toshiba TFC50UC cyan toner cartridge, compatible with Toshiba e-Studio printers. The cartridge comes in a sealed box, ensuring its authenticity and quality. It is an original product, designed to provide the best possible results for your printing needs. The cartridge is compatible with a range of Toshiba printers, and is perfect for anyone who wants to achieve professional-quality prints at home or in the office.