Many challenges can be found throughout every stage of baby feeding. This entry is a series of bottles to meet the feeding needs of babies at all stages. Help 0-3 months of babies whose gastrointestinal function wasn't fully developed reduce colic through our patented anti-colic system, which is clinically proven to decrease colic. Help 3-6 months of babies solve bottle rejection and nipple confusion issues through seven breast-like designs. Help 6M+ babies transition from pacifier to straw and improve oral development through a “V-valve nozzle”.