Magic invisible ink pen for marking playing cards

 Want to mark playing cards yourself?

Get this magic pen of invisible ink for a try. It's very easy to get and use if you want to try making your own marked cards working with contact lenses or perspective glasses. You can just try it with any poker cards, including the plastic playing cards and paper cards. 
In addition to the invisible ink pen, our company has more than 10 years experience in processing other invisible ink products, including the invisible marked cards, IR ink contact lenses, UV poker glasses and so on. You can always get the right poker products for enjoying the poker games.
Due to the incredible ink, players can know the number and suit of other players and predict the result of poker games or other games.