Medela Calma 150ml Breastmilk BottleThe Medela Calma Teat is for a mother looking for the optimal teat to feed her child breastmilk. That's why Medela Calma Teat is the ideal teat for babies who are being breastfed with breastmilk, as it allows them to suck, swallow and breathe, as learned on the breast. The Medela Calma Teat is similar as with breastfeeding, your baby can drink, pause and breathe in its natural rhythm, create its individual vacuum through a combination of tongue and