For all questions please call +380 50 411 63 93 Natalia. Country of origin: Switzerland The Kalma bottle system is designed to breastfeed your baby to avoid the risk of the baby giving up. With Calma, the baby breathes, sucks and rests just like near the mother's breast, so it will be easy for the baby to switch from breast to skim milk and from Calma back to the breast. The Calma system is specially designed for breastfeeding.