Quick Free-ze Slushy Mug: Transform your favorite beverages into refreshing slush in just a few seconds. Easy to use and perfect gift: Before use, put it in the freezer for more than 10 hours. Pour your favorite drinks and squeeze gently, your granita will be ready instantly Eco-Friendly & Healthy: The Slushy Cup is made of eco-friendly plastic and aluminum, which is healthy. Great Family Activity - Fun for kids and adults alike, experiment with whatever ingredients you have on hand to create new combinations, like juice, whiskey, etc. Reusable: After each use, simply wash the Smoothie Cup with warm water and you're good to go. The mug is designed in such a way that it can be easily washed for the next use without much hassle.