smartshake SLIM Bottle, 17 oz Shaker Cup, Neon Yellow Staying prepared is simple with Smart Shake, 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 Staying prepared is simple with SmartShake, a smart new take on the original shaker cup. Its compartment 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 22 oz capacity to the rim of the cup, measurements up to 12 oz With two or more cups you can mix and match the interchangeable pieces to create a unique multi-colored cup