Dr. Brown's Anti-Colic Options+ Wide-Neck Baby Bottles are clinically proven to reduce colic and spit-up. The internal vent system creates vacuum-free feeding, preserving nutrients and aiding digestion. Each bottle holds 5oz/150ml and features a breast-like teat for easy transition between breast and bottle. The set includes 2 bottles in a charming Jungle design. suitable for newborns and older babies as feeding develops. BPA-free and dishwasher safe.