500 ml to 750 ml. Playing football is a very tiring sport. Carrying a sports cup allows you to replenish water at any time during exercise and improve the exercise effect. Recommend a sports cup with a capacity of 500 ml to 750 ml, which is easy to carry and can ensure adequate drinking water. Sports cup means water equipment carried by outdoor sports. Compared with other water equipment, sports cup has the characteristics of durability, safety, reliability, convenience and insurance.