Invisible ink pen with UV light

Though there are all kinds of marked cards for sale, many guys are curious about marking the playing cards themselves. Our company offer the invisible ink pen to mark poker cards for UV contact lenses, which may just meet the need of those customers.
Our company offer you the ink that can help you to mark the red cards for contact lenses, and the red and blue cards for IR camera. If want blue cards marked for contact lenses, better let the cards marked by our technicians with special machine.
There is invisible ink that can mark both paper cards and plastic cards. Just feel free to get such magic ink for a try!