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How long can invisible ink last

Many clients will ask us how long can invisible ink last when they consulting marked cards, invisible ink or luminous contact lenses. They worry about that what they pay for these marked cards products are not worthy, but I always tell them, what you get will much more than what you paid for these marked cards products.

As long as you don't open the sealed deck of invisible marked cards, the marks made by invisible ink can last for one year, but once you open it to use, the invisible ink can last for 3 months. As you can imagine you can play a lots of poker game with these invisible ink marked cards in 3 months.

By knowing the value and suits of whole deck playing cards, you can make a right decision for your next move during game. In other words, you are controlling the pace of your game; you take things under your control. It’s worthy.