Reusable bingo cards that provide hours of entertainment for families at home or on the road. Shutter Slide bingo cards measure 6-3/4 in x 6-1/2 in large print, making them easy to read for kids and adults. Cards have finger-tip shutter slide windows that are 1/2 inch tall. Each card is made from 4-ply cardboard paper. The Travel Bingo game is perfect for family vacations, car rides, and road trips. 24 cards in a shelf display.