The bingo master board is made of thick Abs plastic. It is durable and able to withstand frequent daily use. It is resistant to breaking and warping during gameplay. It offers a simple two-snap design and can be split in half to facilitate storage. The bingo master board has 75 clear numbers for easy reading and is perfect for 1.5" bingo balls. It is great for bingo cage games held in bingo halls or parties, barbeques, or family bingo game nights.