What is luminous ink
How to mark cards with an invisible luminous pen? Does invisible luminous pen work? The invisible luminous pen filled with cards marking ink we provide are in top quality and will help you to mark the professional and best marked decks.
Our luminous invisible ink is excellent for making back marked cards. When you make back contact lenses marked cards, we will mark suits or fonts in their backsides and then these invisible ink markings are dry. The user can wear infrared contact lenses or luminous ink glasses kit to see those clear marks directly. It is very convenient and safe to do this.
Luminous invisible ink has been used by some poker players and they use those marked cards to cheat at different games. If you buy our invisible luminous pen, we can teach you how to mark cards with an invisible luminous pen.