Mix up smooth, lump-free shakes by simply adding your ingredients, dropping in the BlenderBall, and shaking. The BlenderBall whips around inside the bottle, mixing your drinks to a smooth consistency, every time. Made of 316 surgical-grade stainless steel, the BlenderBall is designed to remain in the bottle until you've enjoyed its contents. Just drinking water? Feel free to leave the ball inside - it'll never rust, chip, or peel.
The BlenderBottle Classic features a wide mouth opening, embossed ounce and milliliter markings, and fits in most cup holders for added convenience.