Dr. Brown'S Natural Flow Anti-Colic Options+ Narrow Baby Bottle, 8, 4 Pack Your options have never been better with Dr. Brown?s Natural Flow Anti-Colic Options+? Narrow Baby Bottle. The anti-colic internal vent system is clinically proven to reduce colic. Dr. Brown?s bottles provide a more comfortable feeding experience for baby by decreasing spit-up, burping and gas. This vacuum-free feeding is closest to breastfeeding and Dr. Brown?s silicone nipples provide a consistent flow so baby can feed at their own pace. The breast-like nipple shape encourages a proper latch for a more natural bottle feeding experience and eases the transition from breast to bottle and back again. Dr. Brown?s vent system is proven to help preserve bottle milk nutrients and aids in digestion for a better night?s sleep. The silicone nipple, together with the internal vent system, offer a reliable and trusted bottle feeding experience that makes Dr. Brown?s the #1 Pediatrician Recommended Baby Bottle in the U.S.* Made to grow with baby, our bottle is designed to nourish through all of baby?s feeding stages and is recyclable. Safe for use in dishwasher (top rack only), electric and microwave sterilizers or boiling water. BPA Free. Product Features ANTI-COLIC BABY BOTTLE. Anti-Colic internal vent system is clinically proven to reduce colic. Decreases spit-up, burping and gas. CONSISTENT FLOW RATE. Vacuum-free feeding is closest to breastfeeding and Dr. Brown?s silicone nipples provide a consistent flow so babies can feed at their own pace. PRESERVES NUTRIENTS. The anti-colic vent system is proven to help preserve bottle milk nutrients and aids in digestion for a better night?s sleep. BREASTFEEDING BOTTLE. The breast-like nipple shape encourages a proper latch for a more natural bottle feeding experience and eases the transition from breast to bottle and back again. BOTTLE GROWS WITH BABY. Dr. Brown?s Natural Flow Anti-Colic Options+ baby bottle works best with the internal vent system in place but can be removed as baby?s feeding develops ? no need to introduce a different bottle. SUSTAINABLE BABY BOTTLE. Dr. Brown?s Narrow bottle is designed to nourish through all of baby?s feeding stages and is recyclable. PLASTIC BANK COLLABORATION. Dr. Brown?s has collaborated with Plastic Bank to prevent ocean plastic and reduce their plastic footprint. Purchasing Dr. Brown?s baby bottles help toward their commitment to prevent 31 million plastic bottles from entering the ocean annually. Learn more at PlasticBank.com. DISHWASHER SAFE. Safe for use in dishwasher (top rack only), electric and microwave sterilizers or boiling water. BPA Free. Dr. Brown?s Natural Flow Anti-Colic Options+ Narrow Baby Bottles 8 oz/250 mL, with Level 1 Slow Flow Nipple, 4 Pack, 0m+ Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!