Make life even easier by having an extra 6 ounce inner chamber:

• Stash your full inner chamber in the fridge, grab your extra, and go
• Skip having to run the dishwasher every day
• Use it as a milk collection bottle (connect any narrow neck pump for direct pumping, or use adapters to connect your wide neck pump)
• Convert it to an awesome baby bottle for your little one
• Comes with Lifetime warranty

And more! Enjoy the convenience and versatility of it!