Many people like using back marked decks in poker games, it is a very magic device that can make poker player know how to make a good bet.
Back marked cards could work together with IR playing cards scanning camera, IR perspective sunglasses or IR marked deck of cards contact lenses. And we will introduce that back marked playing cards work with IR sunglasses. When wearing a pair of luminous infrared sunglasses, you can see those marks on the backs of those magic marked cards clearly. And then you will know poker points or poker suits directly. Any brands of back marking cards could work together with IR sunglasses. If you do not want to choose our original cards to process, you can send your poker cards to us for processing.
Back luminous marked deck of cards and ultra infrared ink sunglasses is a very nice combo for poker games, do you want to have a try?