Stay organized at the gym with this BlenderBottle ProStak expansion pack. Three separate storage jars with Twist n' Lock technology snap together with just a quarter turn to help you stay organized. An integrated handle helps you carry this BlenderBottle ProStak expansion pack easily, and a discreet pill holder gives you a convenient place for storing vitamins and supplements.
Jar expansion pack
Includes an extra-large 250cc jar, 150cc jar, 100cc jar, pill storage tray, and removable handle.
BPA- and phthalate-free materials offer safe use and high impact resistance.
Allows simple cleanup.
The Twist n' Lock technology lets you easily connect the jars together to expand the capacity of your ProStak system.
Offers easy portability.
Covert pill tray
Locks into any jar lid, giving you a convenient place for storing vitamins and supplements.