Brown Contact Lenses for Marked Cards

As we know, there are lots of poker players and magicians would like to take advantage of anti-poker cheating device to increase poker cheating techniques in poker game or magic show. Our brown contact lenses for seeing invisible ink is one of the most excellent poker cheating tools in the world. When the poker player wears these brown IR contact lenses, he can read the invisible ink markings on the back of marked cards extremely clearly.
There are some customers asked us whether these contact lenses will change the color of pupil. It absolutely will not change the pupil's color, and we have different colors of contact lenses for you to select.