The genuine Dymo 91200 tape measures a full 4 metres in length and a substantially 12mm in width. The girth of the Dymo S0721510 tape allows characters to be clearly printed to it and the black on white surface further makes labelled items easily identifiable.The paper surface of this LetraTag tape makes the Dymo 91200 an excellent choice and the results very hard wearing. As an original Dymo product, the S0721510 comes with a quality of print that is inseparable from the brand.