This is a magic marked cards contact lenses that can detect invisible ink markings on all kinds of marked playing cards. It is spy invisible playing cards contact lenses.
Processed with the professional material and best invisible ink filter, this marked cards contact lenses are concealable after you wearing it and no one can find it. However, no matter what brand of magic marked decks you use, this invisible ink pen contact lenses for playing cards can see the invisible ink markings on their backs clearly and secretly. No matter you are dealer or poker players, the spy invisible playing cards contact lenses can help you to see the invisible ink marks even far 7 meters from the marked decks.
Due to the best quality, the spy invisible ink playing cards contact lenses will not harm for your eyes and keep your eyes moist even you use them long time.