The aluminum material of the cup keeps your drinks fresh, making it ideal for summertime sipping. The color-changing feature of the tumbler adds a fun and stylish element to your drinkware collection. It can change colors based on temperature, creating an eye-catching visual effect. Thereby improving your overall drinking experience. You can use them to make cold drinks such as cocktails, mojitos, beers, soda, ice coffee, and fresh lemonade.