What does it mean for a girl to open a blind box?

Some friends like to open blind boxes. Now there are many kinds of blind box products, including plane ticket blind box, Hanfu blind box, online dating blind box and so on. What does it mean for a girl to open a blind box? Opening blind boxes for girls is a way for girls to participate in selling goods. This way of selling goods is that different goods are packed in the same box, and the goods are of random styles, that is, the styles of goods are not disclosed when buying. What kind of goods to buy depends on luck. Open the package to know which product it is. The act of opening such products is called opening blind boxes, and there are no restrictions on men and women.