Nuk Smooth Flow, Anti-colic Bottle, 0+ Months, 3 Bottles, Each

Baby Controls the Flow for Colic-Free Feeding Unique Nipple Design98% Baby Acceptance*Anti-Colic Air Vent Safe Temp Indication Changes Color When Milk is Too Hot Silicone BPA Free Shapes Like Mom Same Shape as Moms Nipple During Breastfeeding Unique Nipple Design Baby Controls the flow of milk depending on their suction strength, for comfortable colic-free feeding  Anti-colic Air Vent Colic-free feeding helps reduce gas and spit-up*Based on Market Research, 2019. Tested with 145 Bottle Users.