The Toshiba TB-FC28 Toner Bag is a genuine/original black toner cartridge designed specifically for Toshiba E-Studio copiers. Made by Toshiba, this unit is compatible with Toshiba printers and is a reliable choice for high-quality printing. The item dimensions are 18 x 8 x 2 inches, and it is a single unit made in China. Perfect for those looking to ensure compatibility and optimal performance with their Toshiba copiers.