The new and improved official BioSteel Shaker Cup by BlenderBottle®  features the BlenderBall® wire whisk, rounded base for better mixing, pro-level SpoutGuard™ to keep germs off the drinking surface, and an upgraded, modern design. With a 28oz capacity, it’s easier than ever to make —and take— our Hydration Mix on the go.

• 28oz: 3.8" x 3.8" x 8.9"

• Rounded base for better mixing

• SpoutGuard™ keeps your drinking spout clean

• Measurement markings

• Dishwasher safe

• BPA and phthalate-free

• Patented mixing system