The perspective glasses for invisible ink sunglasses playing poker cards are produced though a series professional and stringent procession. When you used them in playing card games, it just is a normal sunglasses from its appearance and no one can find any secret of them.
These luminous sunglasses can be used by dealer or players, with these ultimate glasses that can see invisible ink playing cards, both of them can read the invisible ink markings on the backsides of poker cards and easy for them to predict the game results.
As these marked cards glasses can be used in all kinds of light, no matter what environment you are in, you can see those marked playing cards in clear and secret.