Quick frozen technology:Inside the cup, there is food-grade freezing liquid which can transform your favorite drinks (such as cola and juice) into refreshing slush in just a few seconds. The built-in freezing liquid and the ingredients are exchanged for heat and cold to make it delicious, safe and hygienic.Safe Material:All parts are non-toxic. Made of BPA-free, food grade silicone, environmental protection and healthy. This Frozen Magic Slushy Maker is 100% safe for you and your child. Create a lasting memorable conversation points with its unique design. Great for children and kids.Easy to Use:You need to put it in the freezing layer of the refrigerator for 4-6 hours, then pour any drink you like, squeeze it, then you can taste the delicious smoothie! Enjoy the slushy party with different flavors, perfect with juice or soda, or you can add milk to make a thick shake or an ice-cream