Security labels made of white special film with security adhesive, on A4 sheets, self-adhesive. Ideal for sealing data carriers, devices, and documents. Suitable for labeling original products, as inspection stickers, as well as for warranty and maintenance seals. Any tampering becomes visible: visible residues when removed, no transfer to other objects possible. Tear-resistant, oil and dirt repellent, temperature resistant, not suitable for outdoor use. Minimum adhesion time: 30 minutes. Not suitable for brittle materials (paper, cardboard) and plasticizers. Adhesive tests are recommended for substrates with low adhesion (e.g., polypropylene). Easy processing due to the surrounding security edge and optimal flatness. Compatible with laser printers and copiers, but not suitable for inkjet printers, color laser printers, and color copiers.