Self-adhesive labels on A4 sheets with permanent adhesion. Perfect for all laser printers, inkjet printers, copiers, color laser printers, and color copiers. Guaranteed no paper jams, with high speed thanks to an extra strong special laminate, perfectly flat surface, and protective edge all around. Trouble-free printing operation on laser and inkjet printers, tested and certified by TÜV SÜD. High whiteness and even surface for perfect printing results in black and white or color. Noticeably thicker with extra strong labels that are easy to apply. Very fast, reliable adhesion, even on cool, damp 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, packaging made from recycled cardboard.