Extra-strength labels on A4 sheets, self-adhesive. Twice the adhesive strength of conventional paper labels, even on moist, warm, cold, rough, or dusty surfaces. Ideal for reliable labeling of products, documents, and objects in inventories, for safety messages, warning messages, wrap-around labels, test badges, or seal labels. Indoor use. Environmentally friendly: high-quality, chlorine-free bleached special 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. Trouble-free processing thanks to all-round protective edge and optimum flatness. Free software solutions.