Staying healthy and prepared is simple with SmartShake, a smart newtake on the original shaker cup. Its compartments convenientlystore powder, pills, snacks or keys - the possibilities areendless! The patented snap-on strainer will easily mix powdereddrinks, sauces and dressings without clumps or lumps. The straineris designed to mix the thickest ingredients and it is especiallyperfect for making scrambled eggs or omelets. Made of high-qualityBPA-free plastic that is safe in the dishwasher, microwave andfreezer. 17 oz capacity to the rim of the cup, measurements up to12 oz. With two or more cups you can mix and match theinterchangeable pieces to create a unique multi-colored cup.