LOVI Medical+ Bottle is safe for breastfed children because it does not disturb the suckling reflex. Designed and tested medically. Equipped with a unique Dynamic Feeding Teat with thin, protruding ending, a hard, profiled base and super vent air outflow system. REMEMBER: LOVI brand recommends breastfeeding as the healthiest method for feeding. Alternative feeding methods should be used after consulting a doctor, midwife or pharmacist if breastfeeding is impossible or insufficient.