4.33" x 328' UV Silver to Red Thermal Transfer Ribbon, 1" Core

This thermal transfer ribbon measures 4.33 inches in width and 328 feet in length. It features a UV silver shifting to red color change, designed for security marking and anti-theft purposes. The ribbon has a 1-inch core and is suitable for various thermal transfer printers. It comes in a single roll and is used for creating invisible markings that can be revealed under UV light.