ZOKU Original Slush and Shake Maker, Slushy Cup for Quick Frozen Homemade Single-Serving Slushies, Fruit Smoothies, and Milkshakes in Minutes, BPA-free, Red.

To use, remove the frozen inner core from the freezer and place it into the outer sleeve, which keeps hands from getting cold. Pour in your ingredients, mix and scrape the cup with the included, specially designed slush spoon and watch as the slush forms before your eyes!