The Ninja Coffee Bar Milk Frother Press is specially designed to transform milk into rich, creamy foam for your favorite indulgent, specialty Ninja Coffee Bar coffee in seconds. The microwave-safe glass allows you to easily heat, pump, and mix your everyday milk into a perfect microfoam specialty beverage. A wonderful way to enjoy any special drinks at the comfort of your home. Foamy voluminous froth creates coffee bar, specialty drinks in the comfort of own your home. Microwave and froth in glass for added convenience. Dishwasher safe Froths hot or cold milk in seconds.