As a new mom, the main concern is for your child's welfare and well-being. You should be confident that you're getting the best for your baby because the Philips Avent Natural feeding bottle is made of BPA-free (EU directive (2011/8/EU) content (polypropylene). Philips Avent brands are interchangeable and compliant with one another, making the transition from infant to toddler a breeze. The Philips Avent Comfort breast pump, storage bins, cups, sterilisers, and bottle warmer will all be used for bottles and teats. With the exception of the Classic bottles, the Natural feeding bottle is compatible with the majority of the Philips Avent range.