You should "Drink more water", and some researches find the straw will helps
Whether in hot summer or cold winter, this tumbler offers the most pleasant drinking experience for you with an unwrapped straw. Designed with Gel Hot/Cold Pack, the double-layer body manages to slow down the water temperature volatilization - letting the cold drink colder, hot water hotter.
Its ergonomic body and straw enable you to hold it easily, as well as stylish. The Insta-style colors keep you in a good mood when you drink at the home, office, or on the street.