Bicycle Marked Playing Cards with Invisible Ink Contact Lenses ink1 Both the red and blue

Both the red and blue deck plastic bicycle cards can be marked

There are two ways to process the COPAG 139 cards for lenses:

For example: if we process the dice for point 6

a spy mini earpiece for the user to get the result secretly from  the phone analyzer

Users can see those invisible IR marks printed on the backs of regular poker cards by wearing one pair of infrared sunglasses

Bicycle Marked Playing Cards with Invisible Ink Contact Lenses ink1 Both the red and blueBrand Bicycle Size Poker size Color Red & blue Index Jumbo standard index Origin USA Marked type Invisible ink back side marked cards Marked Bicycle cards are very widely used in USA and other countries, there are paper and plastic marked Bicycle cards, but the plastic marked Bicycle cards are more popular than paper marked Bicycle cards, because they are 100% plastic which makes them the most durable kind of cards. We have the best quality plastic