1. Bridge Size: The most common playing card size is bridge, measuring 5.7 x 8.8 cm, which is relatively suitable for the hand size of most Chinese people. This size is also the playing card that we can easily buy in most places today.
2. Poker Size: The standard size used in international poker tournaments, it is the second most frequently seen playing card size after bridge, measuring 6.3 x 8.8 cm.
3. Jumbo Size: Often made for clown performances and displays.
4. Mini Size: Invented in modern times for easy portability, its size is generally between 3.2 x 8.7 cm and 3.7 x 6 cm.
