Self-adhesive labels on A4 sheets with permanent adhesion. Perfect for all laser printers, inkjet printers, copiers, color laser printers, and color copiers. Guaranteed not to jam, with high-speed capability thanks to an extra-strong special laminate, perfectly flat lay, and all-round protective edge. Trouble-free print runs on laser printers and inkjet printers, tested and certified by TÜV SÜD. High whiteness and uniform surface for perfect printing results in black-and-white or color. Perceptibly thicker with extra-strong labels that are easy to affix. Very fast, reliable adhesion, even on cool, moist surfaces. Environmentally friendly and sustainable: chlorine-free bleached, FSC Mix Credit certified, and solvent-free adhesive. Labels are 100% recyclable; dispose of as waste paper, with packaging made from recycled cardboard.