Chicco Well-Being Bottle features an anticholic valve that prevents air intake, reducing the risk of cramps, hiccups and regurgitation. It promotes a correct and comfortable position for the baby during breastfeeding. Contains a wide base, specific to the baby's mouth and small lips, making it easy to suck. The embossed rings at the base simulate the maternal breast. The soft and flexible teat facilitates the transition from breast to bottle and vice versa. The anti-drop cap provides maximum protection and hygiene. Silicone teat material. Without BPA.