SmartShake Ronnie Coleman Shaker Cup, 27-Ounce, Blue Staying prepared is simple with SmartShake, a smart new take on the original shaker cup. Its three compartments conveniently stores supplements The patented snap-on strainer will easily mix powdered drinks without clumps or lumps BPA-free plastic is safe to use in the dishwasher, microwave and freezer 27 oz. capacity to the rim of the cup, measurements up to 20 oz. With two or more cups you can mix and match the interchangeable pieces to create a unique multi-colored cup