100% silver full transfer tamper obvious label security warranty invalid sticker Major minor double serial number label

Material: Silver anti-counterfeiting material
Size: main label 50x20mm, sub-label 10x20mm
Quantity: 100pcs

Features: Bar codes and numbers are unique and never repeated.

Purpose: To protect sellers by identifying fraudulent or unqualified warranty claims, which is an effective way to prevent consumer tampering.

How it works: Attempts to remove information that exposes hidden "VOID" and permanently damages the label, leaving clear evidence of consumer tampering.