Cool, thanks. We have a combination of Medela and Phillips Avent stuff, and it looks like they're all polypropeline, so we'll probably just stick with those. Gl

Cool, thanks. We have a combination of Medela and Phillips Avent stuff, and it looks like they're all polypropeline, so we'll probably just stick with those. Glass seems like a hassle and I'm also not very worried about sterilization.