Holograms are very difficult to replicate. This is because they are created using very expensive, technologically advanced equipment using a master hologram.
The master hologram is not, in fact, a photo. Rather, it is a light-field recording. This is why, as you turn the hologram, different parts appear and disappear; or there is the sense of a 3D image. This light field recording registers light from different angles, allowing perspective to change on a 2-dimentional surface.
For ID cards, these holographs are embedded into laminate sheets which are fixed to the surface of your ID cards. And, since the holographs aren’t actually photos, such sheets cannot be created with any conventional printer.
Can I just buy overlays to put over our IDs?
There are quite a few adhesive-backed ID card overlays available to the public. However, if you are able to purchase them, so is any forger.
It is always safer to outsource this procedure—ensuring that your overlay is only available through a reputable organization, who confirms customer identification.
We only make our police overlays available to confirmed departments—similarly for the fire department and hospital overlays.