Introducing Dr. Brown's Options Wide Neck Bottle, the market's first convertible bottle that adapts to your baby's needs. This bottle features a unique vent system that grows with your baby, providing numerous health benefits. The vent system reduces feeding problems, aids digestion, and preserves essential vitamins. For a paced flow and a feeding experience similar to nipple-vented bottles, simply remove the vent. Options bottles are compatible with most breast pumps and are BPA-free. Experience the ultimate convenience and health benefits with Dr. Brown's Options , designed to meet all your baby's feeding needs.