About this item

• Converts the original Dr. Brown’s 8oz bottle into a Dr. Brown’s options 8oz bottle
• Removable when baby’s feeding becomes more developed
• Use vent system to create a fully vented bottle
• Vent system keeps air from entering milk and baby from getting gassy
• Vent system helps retain vitamins in milk
• Vent system reduces gas in baby and maintains higher levels of vitamins in milk
• Includes 1 vent insert, 1 vent reservoir, 1 cap and 1 collar, BPA free and made in USA