Marking Fournier NO12 Cards with Invisible Ink

There is an Chinese saying goes that Know thyself, ever-victorious！
In a poker game, knowing your own cards is the basic and knowing all other's cards is the best advantage to be the winner. If you know every hand or every card , you know exactly how to do next in your game. That's the key.
Our company provides some amazing products to know your hand as well as knowing other hands. They are special invisible ink lenses can see invisible marks and Fournier No.12 marked playing cards, You can see your own cards as well as see others cards.
Fournier No.12 playing cards we are selling are paper material and small index. Two kinds of Fournier No.12 deck are available, one contains 40 cards with one guarantee card, another contains 50 cards with one guarantee card. The size of both decks is 9.5cm×6.1cm. You can choose to mark your cards with big or small marks and also you can  have your own requirements.