Dr. Brown's Natural Flow Options Wide-Neck Newborn Feeding Set is Dr Brown's Natural Flow Options Feeding System line of bottles. A convertible bottle that can be used with or without the vent system. The new vent system is designed to grow with baby. It helps reduce feeding problems, helps digestion and helps preserve vitamins.

With vent

• Helps reduce feeding problems
• Helps preserve vitamins
• Helps digestion
• Vent and nipple create vacuum-free feeding

Without vent

• For babies whose feeding becomes more developed
• Convenience of a nipple-vented bottle

Recommended for babies 3 months.

• Wide-Neck
• Helps reduce the chance of colic, spit-up, burping, gas and other feeding problems
• No vacuum pressure, so your baby can feed at will for good digestion
• Preserves bottle milk nutrients by reducing air bubble oxidation
• Proven to help preserve bottle milk nutrients Vitamins C, A, and E are critical for health in infancy
• Vent provides a breastfeeding-like experience and helps prevent nipple collapse
• Internal Vent System and silicone nipple work together for controlled flow so babies feed at their own pace
• Vent can be removed for the convenience of a nipple-vented bottle
• Fits most breast pumps (not included)
• Phthalate-free, BPA-free, PVC-free, Lead-free
• Easy to clean, dishwasher safe
• Made of polypropylene