The "Deck of Bingo Calling Cards" is a set of playing cards designed for playing Bingo. The deck includes cards representing every possible number combination from B1 to O75, which are commonly used in Bingo games. The cards are made of plastic-coated material, making them durable and long-lasting. The set is usually packaged in a box for easy storage and organization.

Each card in the deck represents a specific Bingo ball, with the letter B, I, N, G, or O followed by a number. For example, the card "B1" represents the first ball in the "B" column, and "O75" represents the last ball in the "O" column. These cards can be used for calling out the numbers during a Bingo game, ensuring fairness and accuracy in the number selection.

The dimensions of the cards are approximately 3.75 inches tall by 2.5 inches wide. This size is designed to be convenient for handling during gameplay. The deck is commonly used for home entertainment, allowing friends and family to enjoy Bingo games together.