I use plastic. But my mom got me some glass Dr brown's
I use Phillips avent
I have the glass dr.browns and glass tommee tippee(my favorite & great ventilation)
https://www.amazon.com/dp/B096MVYGPC?ref=ppx_pop_mob_ap_share
I’m using pigeon glass bottles, they’re good so far
i’ve used the glass dr.browns for both my babies.