The genuine Dymo 1978365 tape measures a full 3 metres in length and a substantially 12mm in width. The girth of the Dymo D1 tape allows characters to be clearly printed to it and the white on black surface further makes labelled items easily identifiable.The durable surface of this D1 label tape makes the Dymo 1978365 an excellent choice and the results very hard wearing. As an original Dymo product, the 1978365  comes with a quality of print that is inseparable from the brand.