Crab card 999 is a gift card. When purchasing, you can choose different types of Yangcheng Lake hairy crab delivery cards, such as red gold version and black gold version. These cards are usually used as part of the Mid-Autumn Festival gift book to express gratitude or celebrate reunion.

After purchasing crab card 999, you can collect Yangcheng Lake hairy crabs at the designated time and place. The price of this card is usually determined according to the market situation.