The original shaker cup with some serious upgrades from the #1 Shaker Brand 25 Years in a Row.Now with a rounded base, SpoutGuard™, and of course our powerful mixing system, there are zero clumps, zero compromises.The BlenderBottle® Classic™ shaker bottle gives our tried and true best-selling bottle an impressive overhaul. The latest Classic™ shaker boasts a rounded base for better mixing, our pro-level SpoutGuard™ to keep germs off the drinking surface, and an upgraded, modern design. Add all that to core benefits you know and love—like our powerful mixing system, featuring the BlenderBall® wire whisk—and the Classic™ shaker will fast become your go-to favorite.