Chicco Natural Feeling Birth Kit 0 Month and + is an ideal kit for a transition in gentleness from breast to baby bottle. It contains 2 baby bottles that have anti-colic double valve teat allowing baby to suckle in a comfortable position. Their wide necks facilitate the preparation and cleansing in addition to the anti-leak cap:Chicco Natural Feeling Bottle Slow Flow 150ml 0 Month and + is a bottle that has exclusive angled teat for an ideal position and a natural suckling. Satiny silicon offers a softer effect and a flexibility making the alternation between the bottle and the breast easier. 0% BPA.