With the cooperation with BlenderBottle, as the absolute market leader and for us the world's best, highest quality and most practical shaker, we have succeeded in providing you with the ultimate solution for the safe transport of your daily must-haves. The BlenderBottle® ProStak® PRO is a true multi-talent for daily use! It is leak-proof, expandable and incredibly powerful. Its BlenderBall® made of stainless surgical steel ensures shakes completely without lumps. Even firmer ingredients like yogurt, oatmeal, etc. can be mixed in with this BlenderBall®. Simply take our supplements including collagen drinks with you wherever you go and enjoy your daily must-haves wherever and whenever you want. Its unique 2 compartment tablet compartment simply attaches to each container lid, allowing you to transport tablets and powders with a single container. The containers are also wonderful to use individually, as they fit perfectly in any pocket - a MultiTalent in fact! The best quality (BPA and plasticizer free) rounds off the profile perfectly. Whether top athletes, or Lifestyler, whether young or young at heart, whether at work or at leisure fun - Just Shake it! 22oz / 650ml