Say 'goodbye' to lumpy protein shakes, and 'hello' to smooth, great-tasting drinks. The patented BlenderBall wire whisk--found only in BlenderBottle shaker cups--delivers serious mixing power, putting the mesh grates in other shakers to shame.
Simply add your ingredients, toss in the BlenderBall, and shake. The BlenderBall whips around inside the bottle, mixing even the thickest ingredients to a smooth and light consistency.
-Patented BlenderBall inside
-Wide mouth makes it easy to add ingredients
-StayOpen flip cap won't close on your nose
-GripperBars make it easy to hold
-Embossed ounce and milliliter markings
-Fits in most car drink holders
-BPA and Phthalate free
-Officially licensed PSU blender bottle