Dr. Brown's Natural Flow Bottle Nipples 2-Pack - Narrow Neck Level 2 (3-6 Months)

Designed by a doctor in 1996 and patented in 1997, Dr. Brown's Natural Flow is the only baby bottle to feature an internal vent system that: helps preserve vitamins C, A, & E by minimizing oxidation of breastmilk and formula; provides positive-pressure vacuum-free feeding similar to breastfeeding; and helps reduce colic, spit-up, burping and gas... Read More