KEM playing cards, made in the U.S.A. since the 1930s, are perhaps the most famous 100% plastic playing cards. The official card of the World Poker Tour and World Series of Poker, these classic cards are ideal for poker, bridge and other popular games. Choose between poker-size (2 1/2 inches wide) or bridge-size (2 1/4 inches wide) cards. Standard Index playing cards have small symbols of rank and suit in the corners of the cards while Jumbo Index playing cards have large symbols.