Invisible Ink Pen Contact Lenses

Maybe you will ask that how to mark poker cards at home? Marking playing cards with invisible ink at home can use luminous ink pen and then wear UV contact lenses or infrared glasses to detect clear markings.
In GS luminous ink suppliers, you can choose our best quality invisible ink pen and high quality plastic poker cards. No matter Modiano poker cards or Bicycle playing cards, all you can find in GS. With invisible luminous ink pen for marking playing cards, you can wear UV marked cards contact lenses to see any marks backside cards in any poker games.