Philips Avent 4 Oz. Classic Feeding Bottles, 2 Pack

Clinically proven to reduce colic and discomfort (At 2 weeks of age babies fed with a Philips Avent bottle showed a trend to less colic than babies fed with a conventional bottle). At 2 weeks of age babies fed with a Philips Avent bottle showed a trend of less fussing than babies fed with another leading bottle): As your baby feeds, the unique valve on the nipple flexes to allow air into the bottle instead of your baby's tummy. Designed to reduce colic, spit-up, burping, and gas. Simple to Use and Assemble: Only a few parts for quick and simple assembly. Trusted by moms for 30 years. Clinically Proven Anti-Colic System (At 2 weeks of age babies fed with a Philips Avent bottle showed a trend to less colic than babies fed with a conventional bottle. Use the Philips Avent Classic bottle only with Philips Avent Classic and Classic+ feeding nipples. 1: 0 M+: newborn; 1 M+: slow flow; 3 M+: medium flow; 6 M+ fast flow; 3 M+: variable flow - thicker liquids. We recommend you replace your nipples every 3 months for hygiene reasons. Replace: 3 M. Growing With Your Baby: Compatible range from breastfeeding to cup. This BPA-free bottle is made of PP material (polypropylene) FSC.