Product Description An all-in-one protein shaker and storage system for serious athletes. The BlenderBottle ProStak shaker combines a durable, leak-proof shaker bottle with interlocking storage containers, making it easier than ever to carry nutrition and supplements on the go. The bottle boasts an updated ProSeries lid, featuring a SpoutGuard to keep germs from the drinking surface, a secure flip cap, and a wide carry loop for easy portability. The powerful mixing system utilizes the BlenderBall wire whisk—found only in BlenderBottle brand shakers—to mix even the thickest ingredients for smoothies, protein shakes, and meal replacements. Features 22oz capacity All-in-one shaker and supplement storage system for powders, pills, and more Includes protein shaker, 150cc jar, 100cc jar, and pill organizer Interlocking jars attach to your shaker cup SpoutGuard™ keeps your drinking spout clean Top-rack dishwasher safe Patented mixing system