Made Of Stainless Steel & ABS. Lightweight & Portable. 10,000 RPM High Speed Rotation. Mix Various Beverage Powders, Cocktails, Shakes, Etc. Multi-Use Mixer Can Also Be Used To Create Rich, Creamy Froth. 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. Supports Responsible Forestry. FSC® Certified Packaging. FSC® Certified Products Are Made With, Or Contain, Forest-Based Materials Sourced From Forests That Have Been Audited By An Independent Third Party To Confirm They Are Managed According To FSC®’s Rigorous Social And Environmental Standards.