This UV contact lenses are used for backside marked cards, the user can see the invisible ink secretly due to special material of the contact lenses. the pupil dot diameter of this contact lenses is 8mm, so it will not change the user's pupil color and perform perfectly to see the marked ink.
pupil diameter: 8mm
working hours each time: about 8 hours
1.Lumious poker playing cards
2.Marked rummy cards
3.Marked Chinese Majong
1.More secret more than poker glasses
2.The easiest way to cheat in poker game
3.High quality to see marked cards very clearly
4.Can use for all kinds of poker game.
Tips for using the perspective contact lenses:
1.The best suitable situation is under the white light, especially the energy-saving light.
2.Please make sure to wash your hands clearly before wear the perspective invisible contact lenses in case of infecting your eyes.
3.Before playing the poker games with perspective invisible contact lenses,
the user who is not a myopia had better wear the contact lenses about several hours for adapting.
XF brand UV contact lenses with 8mm pupil diameter marked cards invisible ink Images