Dr. Brown’s Options+ Wide Neck Baby Bottle is a unique bottle that features a breast-like nipple shape and anti-colic internal vent system to provide a comfortable feeding experience for your baby and ease their transition. Each nipple is specially engineered to offer the same consistent, natural flow, so your baby knows what to expect in every feeding. The 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! Theanti-colic internal vent system features an enhanced design to improve an already innovative feeding experience. The fully-vented bottle is clinically proven to reduce colic, better preserves nutrients, aids in digestion for a good nights sleep, and provides a flow rate that supports breastfeeding. It can be removed when the baby’s feeding develops. Breast-like nipple shape Clinically proven to reduce colic Decreases spit-up, burping, and gas Better preserves nutrients in breast milk and formula Aids digestion Offers a flow rate that supports breastfeeding Comes with a size 1 nipple BPA-Free, Dishwasher (top rack), and sterilizer safe. Contains 1 x wide neck baby bottle Recommended for children age 0+ months This innovative bottle effectively and efficiently covers all parents’ needs. Dr. Brown’s Options grows with the needs of your baby and offers healthy benefits whether your little one is experiencing feeding challenges or not. Options give you the power of choice. Dimensions (Overall):2.7 x 2.7 x 9.2 inches Why we love this product: Reduces colic, spit-up, burping and gas with a patented vent system! Helps preserve vitamins and lipids in milk for the baby’s health! Parents can remove vent system when baby’s feeding becomes more developed