There must be lots of poker players and magicians looking for the marked playing cards at this moment. We are one of the best luminous ink kit manufacturers in China and we are mainly supply different brand of poker cards in the market. We can offer you Bee marked cards, KEM poker cards, Copag invisible ink marked decks and so on. We mark the infrared luminous ink on the back of those poker cards so that these invisible ink marks cannot be seen by our naked eyes. Of course, you can use those cards as poker cheating devices although there are many people in the poker game. Moreover, when you are ready to use these ultimate marked cards, you have to wear our IR contact lenses or luminous sunglasses to see the magic markings.