How to use the luminous ink to mark the marking on the back of marked playing cards? If you need to print the customized luminous marking on playing cards, we can offer you the best luminous ink kits. Here we can offer you luminous invisible ink which is essential element in marking playing cards. Our high-quality luminous ink which is printed on the playing cards can last on the back of decks for a long time. You can mark the unique marking by yourself or tell us your requirement and then we mark poker cards for you by printer. There is much difference between marked cards made by hand and printer, If you need the professional technician to process the unique juiced deck, do not hesitate to contact us.