The Dr. Brown's BPA-Free Nipples are replacement silicone nipples that fit Dr. Brown's Natural Flow Standard baby bottles (not included) or the Wide-neck baby bottles (5oz_not included). These nipples work with the bottle's positive-pressure design to create a more comfortable feeding experience for your little one. They are dishwasher safe for simple cleaning.

• Replacement silicone nipples which feature an internal vent system that helps reduce colic, spit-up, burning and gas
• Nipples work with the bottle's positive-pressure design that eliminates bubbles and vacuum for a more comfortable feeding experience for your little one
• Dishwasher safe
• 100% super soft, high grade silicone