Self-adhesive labels on A4 sheets with permanent adhesion. Perfect for all laser printers, inkjet printers, copiers, color laser printers, and color copiers. 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. Guaranteed not to jam, with high-speed capability thanks to extra-strong special laminate, perfectly flat lay, and all-round protective edge. Kind to the environment and sustainable: chlorine-free bleached, PEFC-certified, CO2-neutral, and solvent-free adhesive. Labels are 100% recyclable; dispose of as waste paper, and packaging is made from recycled cardboard. Free software solutions available.