Make sure your protein shake or energy drink is deliciously smooth with the stylish Sportmixer from Blenderbottle. Easy-to-clean and BPA-free, the side has markings you can use to measure liquids so you get the correct blend. Sportmixer features the original, patented Blenderball™ to mix lump-free shakes and drinks, and help you get the best out of your training and sport. Also available in a smaller 20oz size.