Smartshake Signature Series 800ml Three separate compartments to store supplements New 800ml version Special edition Signature Series Shaker Predator Nutrition Review These limited edition Signature Series Smartshake shakers are not to be missed. If youre a fan of bodybuilding legends such as Jay Cutler, Ronnie Coleman, Phil Heath & Flex Lewis then these are one must-have piece of memorabilia that you cannot miss out on. The shakers hold 800ml of liquid & have three compartments to ensure you can store all your daily supplements in one convenient place. Smartshake Review The Smart Shake V2 27 oz (800 ml) has three separate compartments in which you easily store several servings of nutritional supplements. For example: Protein, Creatine, Vitamins, Capsules, Pre- & Post-Workout Products. The benefit with Smart Shake is the ability to carry around three protein shakes or a mixture of protein shakes, pre/post workout drinks etc all in one unit. Its much more convenient than carrying the alternative: Three individual shakers, or worse, three tubs of your supplements.