Bicycle Rider Back Marked Cards

Bicycle Rider Back playing cards are very popular in USA, and the Rider Back Bicycle cards is the classical playing cards, so there are many poker players who like using this type of Bicycle cards.
Bicycle Rider Back playing cards have blue and red decks.
The Bicycle Rider Back marked cards can be marked into back marked cards, the back marked cards must work with luminous contact lenses or poker cheating sunglasses, when you wear the invisible ink contact lenses or marked cards sunglasses, you can see the marks on the cards back, then know the numbers and suits. The Bicycle Rider Back cards also can processed into barcode marked cards, the barcode marked cards work with poker analyzer, scanning camera and mini earpiece.
Bicycle Rider Back Marked Playing Cards Characteristics:
–Comes in 2 colors: red , blue
–Plastic coated paper material-Regular Index
–Card Size: Wide Size (2½ x 3½)
–52 Cards+2 Jokers+1 Guarantee Card
Notes:
Blue cards:  Marked with big fonts in the middle of the playing cards.
Red cards: Marked with big fonts in the middle or small fonts in 4 corners.