LOVI Self Sterilizing Bottle is safe for breastfed children, because it does not disturb the suckling reflex. Equipped with a specially designed top which allows the sterilisation of the bottle and its component in a microwave oven in just 90 seconds. Just pour an appropriate amount of water into the top, insert the cap and the soother with the handle attached, connect the bottle (by clicking it in) and insert into the microwave oven. After a moment the bottle is ready.