Thermal transfer printer security and closure label. After application, the label cannot be removed without the label being layered. The text "VOID" or a grid appears and indicates the removal / opening attempt. Excellent for sealing packaging, valuables and as the closure of theft-desirable goods. UL approved silver matte polyester MT303, for printing in label printers. Core 76 mm. 1-row. Roll contains 2000 st. Roll contains 2000 pieces