Made of impregnated material for critical surfaces, oil and dirt repellent, weather-resistant, waterproof. All-round safety edge and optimal flatness protects printer drum and rollers from adhesive residue. Environmentally friendly and sustainable: solvent-free adhesive and chlorine-free bleached. Perfect for laser printers, copiers and for labelling by hand - not for colour laser printers and inkjet printers. Box contents: 40 x HERMA weather-resistant labels, DIN A4 format, 21 x 14.8 cm, rectangular, white (20 sheets each 2 labels).