- ✔︎ Durable, BPA- and Phthalate-free jars
- ✔︎ Twist n' Lock pill tray locks into any jar lid
- ✔︎ Compatible with any ProStak shaker cup
Look for the BlenderBall® whisk, found exclusively in BlenderBottle® brand shaker cups. When you see the ball, you know you have a BlenderBottle brand shaker. You also know you can count on a smooth shake.