1.Applications: Plastic Numbered Tags for fire extinguisher Clinical waste / cash bags, vehicle doors, TIR cables, curtain side buckles, storage bins, ID tags, sprinkler systems, tractors and trailers2.Serial numbers are random.3.Pull tight locking mechanism with adjustable locking length.4. Self-locking and hand-breaking up, easy application. No need to use tools.5. Plastic Seals Security Numbered - suitable for trucks, vans, doors, posting parcels, handbags, luggage wrap, labeling boxes, hospital, bank, airline, duty-free shops, supermarkets, storage boxes etc. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.