The American Games Bingo Paper Game Cards are sold in packs of 100 books. Each book contains 3 sheets padded together, and each sheet has 3 disposable paper bingo cards. This product is intended for a bingo session that plays 3 games. The cards come in three different colors: blue, orange, and green. These bingo cards are made in the USA and are typically marked with a dauber, which is a special marker used to cover the numbers as they are called out during the game.