Plastic Invisible Marked Playing Cards are made of high quality imported plastic paper. Latest luminous printing technology is implemented to print invisible plastic playing cards. The printing over these cards are 100% water proof and wear proof that can make them last longer than any other cheating cards. In appearance plastic paper marked playing cards and normal paper cheating cards looks the same but when you pick these cards in hand you can find the difference. The secret markings made with the luminous printing technology on the cards cannot be feel by touching on the surface. All soft contact lenses are easy to use with plastic invisible playing cards for detecting the invisible markings.