Premium self-adhesive labels on A4 sheets, permanently adhesive. Perfect for all laser and inkjet printers, copiers, color laser printers, and color copiers. Guaranteed jam-free and high-speed capable due to an extra strong special composite, top flatness, and all-around safety edge. Smooth printer feed for laser and inkjet printers tested and confirmed. High whiteness and uniform surface for the best printing results in black and color. Noticeably thicker: extra strong labels - easy to apply. Particularly fast and securely adhesive, even on cool and damp surfaces. Environmentally friendly and sustainable: chlorine-free bleached, PEFC certified, solvent-free adhesive. Labels are 100% recyclable with waste paper, packaging made from recycled cardboard. Free software solutions available.