Dr. Brown's Dr. Brown's Anti-Colic Options+ Narrow Glass Baby Bottle 4 oz, Level 1 Slow Flow Nipple 2 Pack and Reusable Vent System Cleaning Brush 4 Pack

About this item Anti-colic internal vent system clinically proven to reduce colic, spit-up, burping and gas in Dr. Brown's glass baby bottles. Vacuum-free feeding experience closest to breastfeeding with consistent milk flow rate from Dr. Brown’s silicone nipples. Preserves nutrients and aids digestion with Dr. Brown’s vent system for better sleep. Designed to clean vent inserts, reservoirs and other difficult to reach places inside Dr. Brown’s anti-colic bottles. Fits both narrow and wide-neck Dr. Brown's bottles as well as most other anti-colic bottles. See more product details About this item Anti-colic internal vent system clinically proven to reduce colic, spit-up, burping and gas in Dr. Brown's glass baby bottles. Vacuum-free feeding experience closest to breastfeeding with consistent milk flow rate from Dr. Brown’s silicone nipples. Preserves nutrients and aids digestion with Dr. Brown’s vent system for better sleep. Designed to clean vent inserts, reservoirs and other difficult to reach places inside Dr. Brown’s anti-colic bottles. Fits both narrow and wide-neck Dr. Brown's bottles as well as most other anti-colic bottles. See more product details