Copag - Casual - Super Index - Bridge Plastic Playing Cards. The 100% plastic composition of these cards allows them to last 50-100X longer than the traditional Bicycle or Bee deck. Great for any card game including Texas Hold'em Poker, Bridge, Canasta, Euchre, and many more This set of plastic playing cards is used in many poker rooms across the world. Cards this size are also used in the World Series of Poker and on the World Poker Tour. Most Poker rooms use this size card because it fits the hands of the dealer better. Casinos may use plastic coated cards for their other games, but for the poker rooms the solid plastic playing cards provide a cost saving durable alternative. Bridge/Poker Room size cards are 2.25" X 3.5". They were made in this size because most card game need 7 or more cards in each person's hand. The smaller size allows for them all to fit in the hand better.