Dr. Brown’s Natural Flow Anti-Colic Options+ Narrow Baby Bottle (120ml) is designed to provide a feeding experience that closely mimics breastfeeding. The vacuum-free design and breast-like silicone nipple support a natural latch and consistent flow, allowing babies to feed comfortably at their own pace. The patented internal vent system reduces colic, gas, and spit-up while helping preserve essential nutrients in milk, supporting better digestion and improved sleep. As your baby grows, the bottle can be used with or without the vent system—no need to switch bottles. BPA-free and safe for sterilizers, boiling, and top-rack dishwasher cleaning, it delivers trusted performance recommended by pediatricians across the U.S.