SmartShake is a high-quality shaker cup with three compartments to store your mix. It is made from BPA free plastic and is 100% leak-proof. You can use it every day, store it in the freezer, heat its contents in the microwave and wash up in the dishwasher afterwards. It’s designed for real life.SmartShake’s unique design is compact, yet light. And thanks to its snap-on strainer, there are no loose parts.