The product is a genuine Brother TN-336BK black high yield toner cartridge specifically designed for use with various Brother HL and MFC printers. This original Brother cartridge is compatible with models such as MFC-L8600CDW, HL-L8250CDN, HL-L8350CDW, MFC-L8850CDW, and HL-L8350CDWT. With a laser print technology and high yield capabilities, this black toner cartridge ensures reliable and professional-quality printing results. Made in China, this cartridge is a trusted choice for Brother printer users looking for consistent and impressive printing performance.