Tamper-proof: The steel security cable seal is single used: once locked, it can not be reopened unless cut-providing undeniable proof of tampering during transit or storage. The cable seals feature laser-printed serial numbers (never fade!) to prevent unauthorized entry. Self-Locking Flexibility: The tamper-proof container wire seal is self-locked, just pulling tight for instant locking-no tools needed! It can be adjusted to fit any length up to 30cm (11.8"). Easily remove with wire cutters. Heavy-duty Construction: Built with 1.8mm steel wire core, zinc-alloy inner lock, and ABS plastic coating. Resists , cutting, and weather elements. No burrs-safe handling guaranteed. 200-Pack Red Seal: Each set contains 200 pieces shipping padlock for high-volume needs. The bright red color help to recognize quickly, boosting inspection speed and detering theft attempts. Universal Use: The tamper proof wire seal secures trucks, trailers, railcars, shipping containers, warehouses, valves, cash boxes, and more. It is a must-have for ensuring the safety of your goods at all times. Color: As Shown Material: Metal Package Contents: 200*steel security cable seal Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.