The vat of Aizu Big Cup Tea is usually 350 milliliters (ml), which is the size of a bottle. This volume is more suitable as a disposable drink and therefore suitable for carrying and drinking when going out or traveling. In addition, this capacity is also more suitable as a cup of beverage, which can satisfy the drinking needs of ordinary people. Finally, the 350 ml capacity can also control the price of the drink, making A Shui Big Cup Tea moderately priced and more acceptable to consumers.