THE ULTIMATE ALL-IN-ONE
Supplements, snacks, pills, and liquid—all in the same bottle. Featuring the BlenderBall® wire whisk and unique Twist n’ Lock™ containers, the Iswari ProStak® is the all-in-one solution for the serious athlete.
SMOOTH TASTES GOOD
Say 'goodbye' to lumpy protein shakes and 'hello' to smooth, great-tasting drinks. Our patented mixing system uses the BlenderBall® wire whisk to mix even the thickest ingredients as you shake.
CLIP IT, LOOP IT, HANG IT
Integrated with the StayOpen™ flip cap, the adjustable carry loop lets you hold more when your hands are full and offers a convenient place to attach keys while at the gym.
LEAK PROOF GUARANTEE
The ProStak®’s screw-on lid and secure flip cap keep your gym bag and car seat dry. With a snug twist of the lid and the assuring 'snap' of the flip cap, you’re ready to roll.
Made from only the highest-quality materials, — BPA and Phthalate free.
TWIST N' LOCK™ TECHNOLOGY
The ProStak®’s unique interlocking jars have individual lids, making it possible to carry supplements, snacks, and more—with or without the bottle.