Remove the nipple, collar, internal vent system, and screw on the cap and youre done! Seal the bottle when youre finished pumping, when transporting, and even when warming the bottle. If youre travelling by air, its the perfect companion, preventing the effects of a pressurized cabin on the Dr. Browns vacuum-free bottle.
Dishwasher (top rack only) and safe for use in electric sterilizer, microwave sterilizer or boiling water
BPA free