Turn your favorite drinks (such as cola, milk, and juice) into refreshing slush in just a few minutes. Children can also enjoy the fun of making milkshakes. Enjoy cool smoothies and make them with your child in the summer!Freezing principle: The snow mud cup is filled with frozen liquid, which is mainly composed of edible saltwater (with a shelf life of 18 months). It has the function of improving freezing, maintaining low temperature, and alternating cold and hot drinks, while buffering the sharpness of pressed smoothies.The cup body is made of food grade silicone, which is soft and non deformable, non-toxic, durable and environmentally friendly.Easy to use: 1. Place the muddy ice maker in the freezer of the refrigerator for 4-6 hours. 2. Pour in your favorite beverage (no more than 2/3 of the cup body). 3. Squeeze out 3-5 minutes and enjoy delicious smoothies!Tip: First, cool the beverage in the refrigerator. This makes smoothies easier to make and the original taste of the drink remains unchanged. After use, rinse with water and then freeze again to start the next cold adventure