Extra-strong labels on A4 sheets, self-adhesive. Double adhesive strength compared to conventional paper labels, even on damp, warm, cold, rough, or dusty surfaces. Ideal for reliably labeling products, documents, and items in inventory, for safety messages, warning notices, redirect labels, test badges, or seal labels. Suitable for indoor use. Environmentally friendly: high-quality, chlorine-free bleached specialty paper, PEFC certified, solvent-free adhesive. Labels are 100% recyclable; dispose of as waste paper, packaging made from recycled cardboard. Excellent printing results on all laser printers, inkjet printers, copiers, color laser printers, and color copiers. Easy handling thanks to the all-around protective edge and optimal flatness. Free software solutions available.