The Well Being Normal Flow 0m + (2pcs) protects the baby from colic, regurgitation and stomach sensitivity. The Chicco Silicone Well Welling Normal Flow 0m +:

It's made of hygienic silicone that allows the baby to breastfeed in peace thanks to its large shape that makes breastfeeding more natural
It has an anti-colic valve that ensures colic reduction
It is suitable for all bottles of the Physical Method series

The Well Being Normal Flow 0m + (2pcs) protects the baby from colic, regurgitation and stomach sensitivity. The Chicco Silicone Well Welling Normal Flow 0m +:

It's made of hygienic silicone that allows the baby to breastfeed in peace thanks to its large shape that makes breastfeeding more natural
It has an anti-colic valve that ensures colic reduction
It is suitable for all bottles of the Physical Method series