Plastic. Also, just less easy to drink out of the wide mouth (which obviously has its benefits, and they make the insert to make it easier to drink from, anyway).
I like the wide mouth actually, love the sensation of dripping a bunch of water all over my chin in the summer (not joking.) Makes me feel like some kind of water slut.
Plastic. Also, just less easy to drink out of the wide mouth (which obviously has its benefits, and they make the insert to make it easier to drink from, anyway).
I like the wide mouth actually, love the sensation of dripping a bunch of water all over my chin in the summer (not joking.) Makes me feel like some kind of water slut.
this is probably going to be my favorite comment of the day.