About this item Medela Breastmilk Bottles are made from safe 100% Bisphenol-A free materials Flexible use--can be used with all Medela Breastpumps and teats Breast is best but when Mum has to be separated from her baby for work or social reasons then Calma provides the right feeding solution Calma is the only scientific-based feeding device that helps to support the similar sucking behaviour of the baby at the breast › See more product details