The new improved BlenderBottle® Classic ™ shaker gives our best-selling proven bottle an impressive redesign. The new Classic™ shaker has a rounded base for better mixing, our professional-level SpoutGuard™ to keep germs away from the drinking surface and a modern and improved design. Add all this to the main advantages you know and love, such as our patented mixing system, with the BlenderBall® metal whisk, and the all-new Classic ™ shaker will quickly become your favorite.