Bottle with extremely soft medical silicone teat, level 1, ideal for feeding newborn babies. The teat has a shape and feel similar to the mother's breast, ideal for latch-on. Designed with an internal ventilation system. Air passes through the vent tube to the bottom of the bottle, without coming into contact with the milk. Helps reduce infant colic and the risk of otitis media. Ergonomic cap and reinforced thread. Protective cap. Includes 1 cleaning brush.