Cyclone Cup Shaker Bottle 20oz - Set of 2 - Green and Light Blue Patented Cyclone technology featuring a stationary mixing element unlike any other shaker. Maximizes the stream of kinetic energy for superior mixing - every time. Great for protein shakes, supplements, and meal replacements. 20 ounce capacity to rim with measurement scale on the side up to 16 ounces. Store and Go! Securely keep your supplement in a removable storage capsule directly below the cup. The Secure-Lock Cap snaps firmly into place, preventing unwanted protein shake explosions.