Marked cards glasses used to detect invisible ink

GS marked cards factory sells different kinds of invisible ink clear glasses that can see invisible ink marked cards, such as infrared sunglasses, marked playing cards glasses and luminous ink glasses kit.
All of these marked cards glasses have no difference from common sunglasses. There marked cards sunglasses do not help eyes from the sun but also can be used to detect invisible ink marks. Furthermore, marked playing cards with glasses can be customized according to your requirements.
Invisible ink clear glasses can help users win a lot of money in all kinds of poker games by assisting them see through invisible ink marked cards poker. For the marks, we can print them on both plastic cards and paper cards, and the patterns of the marks can be designed according to your requirement.