This is a custom designed shaker from SmartShake’s Signature Series. SmartShake has built-in cans where you store several servings of nutritional supplements for example protein, creatine, vitamins, capsules, pre- and after workout products. With SmartShake you don’t have to bring along bags with servings, because everything is stored in the shaker. Advanced anti-leak technology makes the cap and lid safe for hot and cold drinks Extra coarse thread on the lid Revolutionary concave hexagon strainer eliminating powder lumps and giving your drinks a perfect viscosity Non-toxic plastic, BPA- and DEHP-free Safe for freezer, dishwasher, microwave oven and hot liquid, up to 120 °C (248 °F) Recyclable and made of non-toxic plastic