It is a tradition in China to put ears of wheat in bottles.

In the traditional culture of China, the ear of wheat is a symbol of wealth, peace, harvest, hope and modesty. The word "ears of wheat" is homophonic with "selling", so many people will send ears of wheat when the shop opens, indicating that it sells well and business is good. The word "ear of wheat" is homophonic with the word "year", so ear of wheat also means "peace and well-being through the years". The ears of wheat will become golden and full when they mature, so the golden ears of wheat symbolize harvest and hope. Mature ears of wheat will bend down, so ears of wheat are still a symbol of modesty and modesty.