Contact lenses marked cards is a hot sale product in our company as it is easy to operate! We all know that the barcode marked cards should work with poker scanning camera and poker analyzer. While, the back marked cards just need a pair of infrared contact lenses or UV/IR sunglasses.

As for the marks on marked cards, we can marked as big marks in the middle of back marked cards or small marks on four corners of marked cards. By the way, we usually mark the blue cards with white marks and red cards with black marks. And other color of playing cards can marked as your wish! So analyzer requirement you have, we will try our best to meet you!