1. Features: Smoothie-making cup You need to put it in the freezer of the refrigerator for 4 - 5 hours. Then pour in your favorite drink and squeeze it, and you can taste the delicious smoothie. Just pour in your favorite drink and gently squeeze it, and your smoothie will be ready to enjoy right away. Start a smoothie party with different flavors. It is very suitable to be paired with fruit juice or soda. Or you can also add milk to make thick milkshakes or ice cream. 2. The smoothie-making cup is made of food-grade silicone and polypropylene (PP) materials, which are environmentally friendly and healthy and can be safely consumed. The smoothie-making cup is equipped with a food-grade refrigerant inside. The built-in refrigerant exchanges heat with the raw materials, making it delicious in taste, safe and hygienic. 3. It is reusable, detachable and washable. Usually, it is used once after being frozen once. The shelf life of the built-in coolant is 18 months. It can be washed and reused. Just wash it with soap and freeze it again, and it can be used repeatedly.