The Dr. Brown's Natural Flow Options Plus Anti Colic Bottles with Wide Neck in 5oz/150mL capacity are designed for easy feeding and reduced colic. Featuring a breast-like nipple for a natural latch-on, these bottles are made of BPA-free plastic and have a slow flow nipple for a comfortable feeding experience. The clear color and wide neck design make it easy to clean and monitor the milk level. Trusted by parents and formulated for babies, these bottles are perfect for baby feeding time.