Professional Deck of Bingo Playing Cards Reusable Bingo Calling Cards consist of a Deck of 75 cards (B-1 thru O-75) for calling Bingo game. These cards are great for playing Bingo anywhere - camping, on the bus, etc. Shuffle them up and begin calling your bingo game...ANYWHERE These colorful playing cards are plastic coated Card size: 3 1/2" x 2 1/2". These cards eliminate the need to have a wheel and balls to pull.