WHAT GOOD ARE INVISIBLE MARKS?
Though an audience can not see these markings - even under bright lighting and close inspection - they will stand out to you as if they were neon signs! No special glasses or other device is needed. You will be able to easily identify any card from its back - even across the room!
Includes enough JUICE! to treat several decks of cards! High quality instructions!
The Juice was used in the Sylvester Stallone Movie Shade. Be sure to catch this amazing film!