Marking playing cards with invisible ink

Magic invisible ink is used for marking playing poker cards to be read by infrared contact lenses or luminous ink glasses kit. No matter what kind of poker playing decks, all could be marked with this invisible ink. When you use it to mark the card, they are easy to use and marked. And these invisible juice marking poker cards are suitable for all kinds of games such as Blackjack, Bacarrat, Omaha poker, Texas Holdem poker etc.
With these tricks invisible ink, you can use every pen or stab to mark luminous marked cards. With theses magic tricks, you will find that you can read markings backside marked poker decks. With these magic tricks, you can be a magician performing magic show for seeing juice invisible markings.