Philips Avent Anti-colic baby bottles promote the health and comfort of your baby. Whether you're breastfeeding bottle feeding or combining the two these bottles support your choices. Developed with extensive research and clinical trials the bottles are BPA-free* and proven to reduce colic and discomfort**.*Philips Sustainability Report Ref SUS-007 2018 **Study showed at 2 weeks of age babies fed with Philips bottle showed a trend to less colic than babies fed with a conventional bottle