Maximize your productivity with the IsoShaker Four Chamber Fitness Bottle. Featuring a four-chamber system, this reusable bottle helps you stay productive all day long. Likewise, its unique design allows you to carry less while having more. Each of the four-ounce IsoChambers can store 1.5 scoops of protein or equivalent to 1/2 cup of any other snack or supplement. Similarly, the top compartment of this shaker bottle holds 18 ounces of liquid. Thanks to the labeling system, you can easily categorize your protein powders, vitamins and snacks for quick access when you’re on the go. With the IsoShaker Quicklok technology, you can access all chambers independently by using the bottom unlocking mechanism. It even comes with a collapsible funnel, allowing you to pour powders, snacks, and supplements without making a mess. Made from BPA-Free and Food Grade Approved material, the reusable IsoShaker helps protect the environment by reducing plastic waste from Ziploc baggies, water bottles and Tupperware items. Furthermore, the IsoShaker securely screws to create an airtight seal, so you don’t have to worry about spilling.