The genuine Dymo 1978364 tape measures a full 5.5m metres in length and a substantially 12mm in width. The girth of the Dymo 1978364 tape allows characters to be clearly printed to it and the black on white surface further makes labelled items easily identifiable.The durable surface of this D1 tape makes the Dymo 1978364 an excellent choice and the results very hard wearing. As an original Dymo product, the 1978364 comes with a quality of print that is inseparable from the brand.