Marked deck playing cards

Marked cards poker is special for magic show or poker games.
What is marked deck playing cards? Actually, it is marked cards with invisible ink. We marked the whole deck of cards by card marking printer, not by luminous ink pen by hand. The best marked cards are finished.
Marked deck playing cards need to work with infrared contact lenses or infrared ink glasses. If you still do not know how to read marked cards, you can contact us for more details.