Made Of Stainless Steel & ABS | Lightweight & Portable | 10,000 RPM High Speed Rotation Creates Rich, Creamy Froth | Can Also Be Used To Mix Various Beverage Powders, Shakes, Etc. | Push Button To Power On/Off | 15 Minutes Continuous Use With Fresh Batteries | Includes 2 Replaceable AA Batteries | BPA Free | Meets FDA Requirements | Hand Wash Recommended