Hollow Out Standard Hologram Label not only has high quality and high security level, but it also has anti-alter purpose to eliminate the suspicion of printing tampering. Hollow Out contents can be changeable, for example that every label has distinguished number and brand manufacturer can easily control product sailing quantity and area through numbers.
 
see more about Hologram Label : https://www.holoteam.com/single-post/Hologram-Security-Trademarklabel