Protects your baby from colic, regurgitation and irritability.Drip-proof cap for the maximum protection and hygiene.Advanced anti-colic system - proven anti-colic effect: anti-colic valve is designed to prevent from air swallowing, helping to reduce irritability, regurgitation and colic after feeding.Peaceful and continuous feeding, soft and elastic teat for an easy switch between breastfeeding and bottle feeding and vice versa.