Mahjong tiles can also be marked with invisible ink as poker cards. This invisible ink can not be seen by other players with naked eyes. The marks can only be seen by infrared contact lenses or sunglasses. You will know all the mahjong tiles both in other players’ hand and in pot.

This kind of marked mahjong tiles together with infrared contact lenses will help you to cheat at all kinds of mahjong games as you can see the mark on the back of cards clearly while others can not see. You can send your own mahjong tiles here to process. We can do both blue and green back.

Eyepccbuy.com has been specialized in invisible ink marked mahjong since 2000. And equipped with advanced technology, we are one of the leading manufacturers and suppliers of various poker cheat device in the world. Welcome to buy the quality device with cheap price from our factory.