Helps reduce symptons of colic Proven to help maintain bottle milk vitamins : C, A and E which are critical for health in infancy. Vacuum-free feeding helps digestion – Good digestion is essential for babies, particularly newborns. Fully-vented bottle design – closes to bottle feeding. Internal Vent System and silicone teat work together – Controlled Flow so babies feed at their own pace. INCLUDES 2-270ml wide neck baby bottles 1-150ml wide neck baby bottle 3-Level 1 silicone teats 2-Level 2 silicone teats 2-Level 3 silicone teats 2-Cleaning brushes