Feature: smooth surface and vibrant colors, easy to identify and perfect for bingo game or marking Enough to meet the needs of math games, or kids can use them both in classroom and at home Attract children's attention quickly and have more fun in your family game Features - Material: Plastic - Size: About 19*2mm - 500 PCS in total - Made of premium plastic material, they are transparent, safe to use and durable - Smooth surface and vibrant colors Easy to identify and perfect for bingo game or marking - Also suitable for math counting, sorting, grouping, adding and subtracting - Average size and thickness, fine for you to pick up Great for family or classroom game Packing list: 500 x Bingo Chips