The BlenderBottle® ProStak™ is leak-proof, expandable, and unbelievably powerful. The patented BlenderBall™ wire whisk delivers smooth shakes every time, while the unique Twist n' Lock jars offer unlimited storage expandability. The ProStak's™ unique interlocking jars have individual lids, making it possible to carry pre- and post-workout supplements, meal replacements, and snacks, even without the bottle. The ProStak's™ screw-on lid and leak-proof SureSeal™ flip cap keep your shake where it belongs. Includes 22-ounce capacity (measurement markings to 16 oz) BlenderBottle®, 150cc jar, 100cc jar, pill organizer and patented BlenderBall wire whisk.

Additional Features:

• Leak-proof guarantee
• Manufacturer's limited lifetime
• BPA and Phthalate free
• Top-rack dishwasher safe

Power up your routine with the bottle that's ready for action. Whether you mix up your favorite shakes for workouts or workdays, the BlenderBottle's patented, stainless steel BlenderBall delivers perfectly blended drinks without missing a beat.

Special Features

• Patented BlenderBall mixes as you shake
• Convenient Patent Pending Loop makes it easy to carry
• BPA-free materials
• Wide opening make it easy to add ingredients
• StayOpen Flip Cap stays put - open or closed
• Embossed ounce/milliliter markings
• GripperBars offer a solid hold
• Both 28-oz and 20-oz sizes fit in your cup holder
• Top-grade engineering works right, every time
• Large drinking/pouring spout