Ark Aruanka Invisible Playing Cards With Bridge Size Regular Index

Invisible Ink Ark Aruanka PVC Plastic Marked Playing Cards For Poker Cheating Technology Devices

we can mark special invisible ink on the backside of them for video filter camera, invisible ink markings for video filter cameras can not be seen by contact lenses and perspective sunglasses, even UV light money machine also can not detect them.

While we are able to mark invisible ink markings on their backsides, so that they can work with filter cameras, as for this kind of special invisible ink markings, other people can not see them by their eyes, even UV and IR contact lenses or perspective sunglasses and other filter cameras and UV light money machine also can not see this kind of invisible ink markings.