MAM Care Anti-Colic Bottle (ULTIvent) promotes natural sucking just like as when at mother's breast. MAM anti-colic bottle valve means less bubbles, and thus more comfort for your baby.
With innovative base valve and valve openings in the base of the bottle. During the drinking process, the base valve adjusts the liquid quantity drunk with a gentle and continuous air supply. This way, there will be no negative pressure in the bottle, and the stream will be as consistent as with nursing. Additionally, the constant pressure balance prevents the liquid from frothing and thus prevents colic. You and your baby can experience the difference!
Lastly, MAM Anti-Colic bottles are made of polypropylene and do not contain bisphenol A. So, it is BPA Free!!