We marked this cards with invisible ink, so the player wear special contact lenses can see the invisible marking. 

There is not any other better than this device ,you know all the cards on the table easily and quickly.Other players can't see differences between normal cards and marked cards,only the player who wear the special uv contact lenses or perspective glasses.

Colour: Red,Blue,Yellow,Black and etc.

Best poker cheating device!

Our company is the first Chinese company which was granted a License for manufacturing, distribution, and service of casino and gamble cheatr and we supply products for :

poker analyzer china|poker scanner|cards cheat|contact lenses|invisible ink|marked cards playing cards china|poker cheat|texas hold em cheat|omaha cheat|texas hold em poker analyzer china|omaha poker analyzer china 

packing:paper box or carton box

Delivery time:After get the payment 4-5 days.

Any more doubts,welcome here for free asking.

Whatsapp:+8615102175824

Email:mhbiying160323 at hotmail dot com