Quality Bingo Cards: The reusable bingo cards are made from thicker paper, not easy to tear, printed with large and black bold numbers, people of all ages can read clearly Professional Bingo Cards: We can guarantee that each set does not have repeated cards; each card has a unique set of numbers, the set includes a total of 100 cards; note that purchasing multiple sets may result in duplicates Size and Use: The bingo cards measures 5.25" L x 4.75" W; sturdy enough for repeated use, each card can be used once if marked with an ink marker Multi-color Bingo Cards: The set includes red, blue, black, green, and yellow bingo cards (20 of each color), total of 100 cards ensures ample supply for continuous play Bingo Games: The professional bingo cards are great for bingo halls, family gatherings, birthday parties, and more; suitable for play anywhere including camp, park, or while traveling