Medela calma bottle feeding is one unique bottle feeding, as is designed to breast milk.Baby bottle help with to preserve it natural sugeadfærd, child have learned by chest, past, the laws makes what easy lining child to switch medium breast past, the laws bottle.Milk flowing not automatic, sa child can keep breaks past, the laws pull weather in its natural rhythm under madning. Application: baby bottles size match through throughout breastfed babies.Bottle nipple should replaced with regularly spaces.Calma is not calculated to use with infant formula.