Your options have never been better with Dr. Brown’s Natural Flow Options+™ Wide-Neck Baby Bottle. From nipple to base, the Options+™ Wide-Neck Bottle makes for a comfortable feeding experience for baby. The Wide-Neck’s breast-like nipple shape is correctly contoured for a proper latch and a more natural bottle feeding experience - perfect for switching from breast to bottle and back again! Each Wide-Neck nipple is specially engineered to offer the same consistent, natural flow, so you and baby know what to expect. Together, the nipple and anti-colic vent system offer a reliable and trusted bottle feeding experience that makes Dr. Brown’s the #1 pediatrician rmended bottle in the U.S. Plus, the anti-colic internal vent system is clinically proven to reduce colic, decreases spit-up, burping, and gas, better preserves nutrients in breast milk and formula, aids in digestion for a good night's sleep, and offers a flow rate that supports breastfeeding. Dishwasher (top rack) and sterilizer safe. BPA free. 0m+.