Patented mixing system uses 316 surgical-grade stainless steel Blender Ball found only in Blender Bottle brand shaker cups
Screw-on lid creates leak-proof seal, and flip cap snaps securely shut to keep contents contained loop top for easy carrying or attaching keys
Perfect for protein shakes, smoothies, pancake batter, and more
Dishwasher safe, BPA- and phthalate-free available in three sizes 20-ounce, 28-ounce and 32-ounce











