Red light Invisible Ink Pen for Contact Lenses use in Mark Red Playing Cards
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This is an infrared invisible ink pen or call Red light invisible ink pen. Use this pen to write on the back of the card, and the ink will disappear. When you use contact lenses, you will see the mark on the back of the poker. This infrared invisible ink pen is usually used in magic shows. But there is a flaw, it must be printed on the red poker.
Have you ever thought of printing your favorite invisible mark on a red card? I recommend you to use this infrared invisible ink pen
In order to make the ink disappear and allow contact lenses to see, our technicians spent a lot of time and used many special materials to develop this product. There are many colors of contact ink for you to choose: red, blue etc.
the marked on the back of poker cannot be seen by our naked eyes. only when you wear our contact lenses or sunglasses you see the magic mark. can be used in different poker games, such as blackjack games, indian flush games, omaha, texas hold'em games, etc.