In the marked cards devices, you must have known that infrared sunglasses is one of the most useful items.
We can supply many brands of back invisible ink marked deck cards. They not only can work with luminous contact lenses but also ultra infrared sunglasses. With the help of ultimate IR sunglasses, you could see through back marked cards clearly and then know poker points as well as poker suits while others around you cannot. Combination of the invisible ink marked playing cards and our IR sunglasses, you can know the cards games information in advance and beneficial to you to make a good bet.
Back marked cards and IR sunglasses are helpful and reliable. If you are interested in our gambling devices, please contact us right now!