These replacement vent inserts are for wide-neck size bottles. They are the same vent inserts that come with each Dr. Brown's Natural Flow Wide-Neck Baby Bottle, and are meant to replace worn or lost pieces so you can enjoy your Dr. Brown bottle longer.
***Please note that these products cannot be shipped to Puerto Rico. We apologize for the inconvenience - feel free to call us regarding alternatives!
- Wide-neck size
We're sorry, we have no additional specifications for this product.