SpeedShaker 2016 9000RPM Electric Protein Shaker- Powered By Batteries, Portable & Convenient To Use Everywhere- Mixer Cup For Shakes- Fast & Easy Blending For Smooth Texture POWERFUL & MULTIFUNCTIONAL- 9000rpm motor with many great uses: mix protein powder, baby formula, eggs and much more. EASY MIXING- Fill shaker cup with desired liquid, press the rubber motor button to create the vortex effect add powder and then enjoy your delicious shake! DISHWASHER SAFE- Simply remove the motor on the bottom of the cup by twisting it anti-clockwise, remove lid and place in dishwasher. (Do not place the shaker in dishwasher with the motor still attached to it, as it may result in the malfunctioning of the device.) HIGH QUALITY - BPA FREE- The shaker is made of durable stainless steel and acrylic material. Make sure that its not going to rust or lose its effectiveness anytime soon. It is also BPA-free and safe to use for you and your family! NO MORE CLUMPS- Speed Shaker will easily mix up your powder providing you with delicious shakes of smooth texture. Forget the annoying powder loops in your mouth!