“I like the way it fits into the bottle, I know many might not think of it being functional considering the lid is good enough to sip from but it helps with drinking water in my opinion and prevents the lid from smelling.”
“Although I thought it was going to somehow œclick into place, i do really love it! It makes drinking so much easier. The only con is that sometimes it gets stuck under the lip and I have to dig it out which isn't always sanitary at the gym.”