Check the listing for details. 100Pcs Security Cable Seals 13" Numbered Tamper Proof Seal Self Locking Black. Condition: New. Listed at 79.24 USD. What is this?Single-use security shipping tags.Provide a high level of security through a locking mechanism, used to protect and tamper-proof items such as cargo containers, transport equipment, meters, and storage units. Widely used in warehouses, trucks, trailers, containers, cables, suitcases, luggage and shipping, and logistics field.What will I get?In the package of: 100 x Metal Security Cable Seals. These are in size: Wire Length: 330mm (13 inch), Wire Diameter: 1.8mm (0.07 inch), Tag Size (L*W): 26 x 22 mm (1 x 0.9 inch). The tag color is black, made of aluminum alloy and ABS wrapping materials.Are there any advantages of the product?Disposable security shipping tags are made of durable steel wire for high strength and reliability to withstand harsh environmental conditions.