The premium tumbler ShakeSphere Protein Shaker Bottle is a patent designed capsule. ShakeSphere lets you mix all kinds of ingredients like powders, vitamins, supplements, fruits, drinks, and more. While no matter what you shake, the cleaning is very fast that you don't need to overthink how clean it will get when you finish. Besides its cleaning, the capsule design is very durable, resistant, and rugged with a touch of a sleek, bold look and has CE certified and BPA free. Moreover, the protein shake has 24.6 FL OZ capacity, so it is the perfect size for your workout, swimming, running, or whatever sports you train.