2D/3D Hologram is made up of multiple two dimensional layers with visual depth to produce an effect of 3D holographic structure.
CLR Hidden Text is Read Only by Laser Pointer. The CLR is one of Encryption Mark on Hologram Sticker.
Micron Text, Nano Text, 25 micron, 50 micron, 100 micron, 250 micron Read by Microscope or Magnifier