Sealed package inside opened box. never opening seal of plastic around ink cartridge. The HP LaserJet Original HP Toner 141A Cartridge in Black is a genuine product by HP designed for specific HP printer models such as the M110, MFP M139, and MFP M140. This toner cartridge uses laser print technology for high-quality printing results. It comes in a unit packaging with dimensions of 14.76 inches in height, 4.25 inches in length, and 4.92 inches in width. The black color ensures professional-looking documents and prints, making it an essential supply for any office or home printing needs.