Best luminous ink marked dominos tiles

GS marked cards factory have different kinds of poker playing cards cheating gambling devices for sale. Invisible ink marked dominoes are one kinds of cheating tools.
Dominos tiles have been marked by invisible luminous ink on two or three sides. After marking, there is no difference in appearance between the processed luminous ink dominoes tiles and the ordinary dominoes tiles to human naked eyes. Do not worry that because our special infrared contact lenses or luminous ink glasses kit can help you see the invisible ink marks on domino tiles clearly under fluorescent light.
If you are interesting in invisible ink marked dominoes, please contact us for feeling free. We have confidence that our magic marked dominos will not disappoint you!