Amazon has this BlenderBottle® Classic 28-ounce Red for just $5.99, down from its original price of $8.99! I use these all the time for protein shakes, etc., they work great!
- Effortlessly mix protein drinks, pancake batter, sauces, dressings and more by shaking bottle with patented BlenderBall
- 28 ounce capacity to the rim of the cup with measurements on the back up to 20 ounces
- Stay-open flip cap, GripperBars make it easy to hold
- Cup made of BPA-free plasic; BlenderBall made of surgical grade stainless steel
- Dishwasher safe; do not use in microwave or with hot or warm liquids