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 a smooth surface ensure perfect printing results in black and white or color. Noticeably thicker, these extra-strong labels are easy to apply. They provide very fast, reliable adhesion, even on cool, damp surfaces. Guaranteed no paper jams, with high-speed capability thanks to extra-strong special laminate, perfectly flat surface, and all-around protective edge. Environmentally friendly and sustainable: chlorine-free bleached, PEFC certified, CO2 neutral, and solvent-free adhesive. Labels are 100% recyclable; please dispose of them in paper recycling. The packaging is made from recycled cardboard. Free software solutions are included.