• 28 oz. stainless steel cup
• Mixes as you shake
• StayOpen Flip Cap stays put
• Large drinking/pouring spout

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

BlenderBottle's 24 oz Strada™ insulated stainless steel protein shakers are designed with an easy open and easy close lid. It opens effortlessly with just the push of a button and snaps shut using the secure-lock lid for a quick, leak-proof seal. BlenderBottle's powerful mixing system uses the BlenderBall whisk to deliver smooth protein and nutrition shakes with ease. Designed with a carry loop on the lid, you can easily use the loop to secure keys or attach the bottle to a gym bag. Additional features include:

• The double wall vacuum-insulated bottle keeps drinks icy cold for up to 24 hours, with zero condensation on the bottle.
• BPA and phthalate-free; hand wash cup, dishwasher-safe lid; not for use with hot liquids
• Manufacturer's limited lifetime warranty