The e-mark is a wireless electronic marking device. Using an app on a mobile device, such as a mobile phone or tablet, e-mark users can create and change their full-color imprints on the marking device as often as needed. The app features a custom design studio as well as numerous editable templates and stock messages to fulfill all marking needs. Easily upload logos, signature files and so much more. A replacement inkjet cartridge is available. Stamp Type: Custom Message Message(s): Customizable Message Ink Types: Inkjet Cartridge Impression Width: Customizable