Does the subject want to ask, "What is the bottle cap capacity of a large barrel of green tea?" 5 ml. The bottle cap of green tea barrel is designed according to the size of green tea barrel, and the bottle cap is also large because of its large capacity. Barreled green tea is a small amount of ingredients extracted from tea leaves, mixed with some spices, and contains a lot of sugar, which will increase the risk of diabetes. It is recommended not to drink in large quantities.