• Make life easier with an extra 6 ounce inner chamber.
• Stash your full inner chamber in the fridge and grab your extra.
• Avoid running the dishwasher every day.
• Use it as a milk collection bottle with narrow neck pumps.
• Connect wide neck pumps using adapters.
• Convert it into a versatile baby bottle.
• Comes with a lifetime warranty.
• Enjoy the convenience and versatility it offers!