The Topink Laser Toner Cartridge 5pk is a high-quality product designed for use with Brother printers, such as the HL-L8260, HL-L8360, and HL-L9310CDW. These black toner cartridges are compatible with the Brother TN431 model and are suitable for various compatible models like TN431BK, TN431C, TN431M, and MFC L8909CDW. With a laser print technology, these cartridges ensure crisp and professional-quality printing for all your documents and images. Upgrade your printing experience with this reliable and efficient toner cartridge set. Looks like box was open but I didn't open it myself. questions feel free to ask