*The seals are etched with permanent laser marking for name, logo, serial numbers & bar code. 
Laser making offers the highest level of security as it cannot removed and replaced .
* Ultrasonic welding technology is used to fasten caps to the seals. Ultrasonic welding cannot be cut or forced open without leaving clear evidence of tampering.
* A stainless metal clip is securely shielded by a cap, providing great locking strength and security .
* The colors and bar-code is available for customized .