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Invisible ink kits reader for marked cards

Infrared contact lenses are used for seeing invisible ink marks on the backside of marking playing cards in poker games. How to make infrared contact lenses remains a mystery. Thanks to high-top technology, we processed colorless contact lenses into different color kinds of infrared contact lenses according to white light perspective principle. After our processing, for example, you will find that there on contact lenses has a small dot for covering the pupil of eyes.
We have infrared marked cards contact lenses for sale. IR contact lenses will not change the color of your eyes. Also, these lenses do not harm your eyes. With the help of contact lenses, you can see luminous marks on poker cards. Therefore, you can know the next move of your poker opponents in poker games.