2015 XF Grade A contact lenses for poker cheat|invisible ink|perspective glasses

2015 Newest contact lenses are good choice for backside marked cards,when the user wear them to see marked cards or anything else,it shows the normal color of itself.
Don't like before it will change the color according to the color of the contact lenses.

Introduction:

The pupil dot diameter of this contact lenses is 11mm, so it will not change the user's pupil color and perform perfectly to see the marked ink.
Pupil diameter: 11mm
Working hours each time: about 8 hours

Optional Accessories:
1.Luminous poker playing cards
2.Marked rummy cards
3.Marked Chinese Mahjong

Advantage:
1.More safety than perspective glasses
2.The easiest way to cheat in poker game
3.High quality to see marked cards
4.Can use for all kinds of poker game.