X ray contact lenses for playing cards normal

How much do you know about X ray? What is X ray used for? Thanks to our superb technology, we can check our body with the help of X ray. Here in this paper, I want to share with you something about amazing X ray.
X ray can apply to marking poker cards fields. As you can see in our website, we have X ray contact lenses for sale to see through regular playing cards no matter in poker games or magic show. Just wear the X ray playing cards contact lenses, and you can read the points and numbers of normal poker.
With X ray contact lenses for playing cards, you do not need to but invisible luminous ink marked cards any more.