28-Oz capacity [measures up to 20 ounce]
Patented mixing system uses stainless steel BlenderBall found only in BlenderBottle brand shaker cups
Perfect for protein shakes, smoothies, pancake batter, and more
Screw-on lid, leak-proof seal and flip cap snaps securely shut to keep contents contained
Loop top for easy carrying or attaching keys.
Dishwasher safe, BPA- and phthalate-free
Do not microwave, freeze or boil.