Dr. Brown's Silicone Nipples, 3pk - Level-Three

The following nipples are available as replacements to the Level-One nipples that come on every Dr. Brown's Natural Flow baby bottle. These nipples are for use with the STANDARD Dr. Brown's Bottles. Available Sizes: Level-One - for feeding newborn babies Level-Two - for feeding infants aged 3 months+ Level-Three - for feeding more aggressive eaters Level-Four - for feeding more aggressive eaters 6 months + Y-Cut/Cereal - faster flow for thicker liquids Preemie - for feeding preemie babiesThree nipples per package.