The invention relates to a roll constituted by a strip (1) that comprises areas (2) for printing of the motif of the various labels (3), and the opposite face thereof comprises areas that include an inert adhesive (4) in order that the strip (1) constitutes the labels proper, resulting in a low-cost roll that eliminates environmentally harmful components and facilitates application of the labels (3) on the product (10). To apply the labels to the product (10), a component (9) is actuated, which activates the inert adhesive (4), re-imparting thereto the adhesive properties thereof in order to allow application thereof on the product (10).
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