VOID Label is a kind of security label, when it is attached the product, it is adjusted label for checking reuse or finding traces to label condition.
As it is used how to apply the product, it consists of three kinds of product.

1) Check opening existence and nonexistence within easy range of one's eye
2) When peeling off,choose tamper-evident function to label or surface.
3) Reuse prevention function
4) Various design choice of size,color,number,logo
5) Tamper-evident pattem manufacture for a custom-made(VOID etc.)