This slushy cup can transform your favorite drinks such as cola and juice etc, into refreshing slush in just a few seconds. It’s made of BPA free, food grade silicone, environmental protection and healthy. It is 100% safe for you and your children. Its washable and reusable, simply rinse the liner bag with running water and refreeze. It is easy to use you just need to put it in the frozen layer of the refrigerator for 4-5 hours, then pour any drink you like, squeeze it, then you can taste the delicious smoothie. Pour any drink you like, like the juice or soda etc. and squeeze it. Just 2 minutes, you get smoothie. Use it to customize your own cold drink. Excellent creative gift for lover, families, friends, coworkers, classmates and children.