Proworks Vortex Mixer Bottle With the Proworks vortex mixer you'll find that mixing your supplements has never been easier, at the press of a button you can have smooth & lump free protein mixes. The highly engineered & finely tuned paddle has been designed to ensure you get the best results each & every time from the resulting vortex within the bottle. Lightweight, Slim & Portable The mixer has been designed with portability in mind; the sleek slim design makes it easy for you to carry around when you're out of the house. The lightweight build keeps the weight down even when full & putting it into your bag or car will be trouble free thanks to the leak proof lid.