*Returns not accepted on any opened, used, or defective product. Contact manufacturer directly for further defective products/parts.  From Dr. Brown's, these bottles feature: Your options have never been better with Dr. Brown's Natural Flow Options+ Narrow Baby Bottle. From nipple to base, the Options+ Bottle makes for a comfortable feeding experience for baby. Starting at the top, each nipple is specially engineered to offer the same consistent, natural flow, so you and baby know what to expect in every feeding. The soft silicone nipple helps baby naturally latch while the anti-colic vent system lets baby feed without fuss. Together, they offer a reliable and trusted bottle-feeding experience that makes Dr. Brown’s the #1 pediatrician recommended bottle in the U.S and a favorite of parents for over 20 years. 3-pack Clinically proven to reduce colic Decreases spit-up, burping, and gas Shown to better preserve nutrients in breast milk and formula Aids in digestion for a good night’s sleep Offers a flow rate that supports breastfeeding BPA free, dishwasher (top rack) and sterilizer safe Approx. 4 oz. capacity  Imported.