VECH Protein Shaker Bottle, 500ml Leak Proof Smoothies Nutrition Shaker Cups, Strong Sports Gym Diet Fitness Bottle, No Blending Ball or Whisk Needed, BPA Free Mix & Drink Bottles (White)

-----------------------QA----------------------
Q:How to stir the protein powder without stirring balls?
A:No problem, because it has a reasonable line design, it can make the protein powder shake up and down through the wall of the cup and stir smoothly, there is no need to worry!
Q: Are they BPA free ?
A:Yes, my friend, BPA FREE.
Q: Does it show measur...