• GLASS ANTI-COLIC BABY BOTTLE. Anti-Colic internal vent system is clinically proven to reduce colic. Decreases spit-up, burping and gas
• DURABLE BOROSILICATE GLASS. Dr. Brown's Glass bottles are heat and thermal shock-resistant, which can withstand hot and cold temperatures, along with gradual temperature changes
• CONSISTENT FLOW RATE. Vacuum-free feeding is closest to breastfeeding and Dr. Brown's silicone nipples provide a consistent flow so babies can feed at their own pace.
• PRESERVES NUTRIENTS. The anti-colic vent system is proven to help preserve bottle milk nutrients and aids in digestion for a better night's sleep.
• BREASTFEEDING BOTTLE. The breast-like nipple shape encourages a proper latch for a more natural bottle-feeding experience and eases the transition from breast to bottle and back again
• BOTTLE GROWS WITH BABY. Dr. Brown's Natural Flow Anti-Colic Options baby bottle works best with the internal vent system in place but can be removed as baby's feeding develops – no need to introduce a different bottle.
• SUSTAINABLE BABY BOTTLE. Dr. Brown's Narrow bottle is designed to nourish through all of baby's feeding stages
• DISHWASHER SAFE. Safe for use in dishwasher (top rack only), electric and microwave sterilizers or boiling water. BPA free