Introducing the all-new BlenderBottle SportMixer - the newest member of the BlenderBottle family. Like the best-selling BlenderBottle Classic the SportMixer contains the patented BlenderBall stainless-steel whisk that effectively mixes even the thickest of ingredients with ease. Sport Mixer bottles are translucent feature millilitre and ounce markings and have an 850ml capacity (filled to cup brim). Patented blenderball wire whisk mixes smooth - every time The patented BlenderBall wire whisk is the secret behind the SportMixers power. Add your ingredients drop in the BlenderBall and shake. The BlenderBall whips around inside the bottle mixing your drinks to a smooth and light consistency every time. Made of 316 surgical-grade stainless steel the BlenderBall is designed to remain in the bottle until youve enjoyed its contents. Just drinking water? Feel free to leave the ball inside - itll never rust chip or peel.