Chicco Perfect5 Feeding Bottle Offers Intui-Flow Anti-Colic System To Enhance Natural And Physiological Sucking Of Each Baby, Improving Their Wellbeing During And After Feeding. This Bio-Functional Bottle Perfectly Adapts To Babies` Intensity And Rhythm, Supporting A Regular And No-Interruptions Baby Feeding.Prevents Air Intake, Reducing Irritability And Regurgitation.