Patented mixing system uses 316 surgical-grade stainless steel BlenderBall wire whisk found only in BlenderBottle brand shaker cups
The wide opening allows for effortless addition of scoops and liquids, while the raised indicators provide measurements in both ounces and milliliters; the curved bottom ensures effective mixing.
20-ounce capacity (Note: measurement markings only go to 14 ounces)
Dishwasher safe, BPA and phthalate-free
Screw-on lid creates leak-proof seal, and secure flip cap with SpoutGuard keeps the mouthpiece clean; wide loop top for easy carrying or attaching keys